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ГОСТ 632-80

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ГОСТ 790-89

ГОСТ 721-77

Системы электроснабжения, сети, источники, преобразователи и приемники электрической энергии. Номинальные напряжения свыше 1000 В
Power supply system, networks, sources, converters and receivers of electric energy. Rated voltages above 1000 V

SKU: 639 Category: GOST - State standards

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