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ГОСТ 21.402-83

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ГОСТ 21-94

ГОСТ 21.602-79

Система проектной документации для строительства. Отопление, вентиляция и кондиционирование воздуха. Рабочие чертежи
System of design documents for construction. Heating, ventilation and air conditioning. Working drawings

SKU: 501 Category: GOST - State standards

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