Regulations for the Design and Safe Operation of Steam and Hot-Water Boilers.
Правила устройства и безопасной эксплуатации паровых и водогрейных котлов. |
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REG 122Beautification and Sanitary Maintenance of the … |
FZ 135Federal Law of July 26, 2006 N 135-FZ. On … |
GOST R 12.1.019-2009Electrical safety. General requirements and … |