Store

Showing 315625–315648 of 375224 results

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 018-3-1995 PDF Edition1

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 018-4-1996 PDF Edition1

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 018-5-1996 PDF Edition1

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 020-2012 PDF Edition2.02

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 022-2008 PDF Edition3

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 024-1-1994 PDF Edition1

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 028-1993 PDF Edition1

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 029-2012 PDF Edition4

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 030-2012 PDF Edition3

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 031-2008 PDF Edition3

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 032-2012 PDF Edition3

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 033-1996 PDF Edition1

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 034-0-2001 PDF Edition1.02

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 034-1-2001 PDF Edition3.03

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 034-2-3-1997 PDF Edition1

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 034-3-1999 PDF Edition2

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 035-1-2002 PDF Edition2

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 035-2-2002 PDF Edition2

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 036-1-2012 PDF Edition3

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 036-2-2004 PDF Edition2

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 036-3-2012 PDF Edition2.01

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 037-1-2006 PDF Edition2

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 037-3-2005 PDF Edition1

<img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" alt="" data-srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" data-src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" data-sizes="(max-width: 600px) 100vw, 600px" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="600" height="600" src="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg" class="attachment-woocommerce_thumbnail size-woocommerce_thumbnail" alt="" srcset="https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-600x600.jpg 600w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-150x150.jpg 150w, https://russiannorms.com/wp-content/uploads/2020/03/document-example-TEMP-NO-100x100.jpg 100w" sizes="(max-width: 600px) 100vw, 600px" />

Close

NRS 038-1-2007 PDF Edition2

Scroll To Top