| Rules for preparing detail design documentation for heating, ventilation, and air conditioning systems.
Правила выполнения рабочей документации отопления, вентиляции и кондиционирования. |
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GOST 23055-78Non-destructive testing. Fusion welding of … |
Gosnadzor Приказ N 779 от 26.12.2012Rostekhnadzor Order N 779 of December 26, 2012. … |
GOST 26633-2012Heavy and sand concretes. Technical … |