SSBT. Occupational Safety Standards System. Industrial pipeline valves. General safety requirements
ССБТ. Система стандартов безопасности труда. Арматура промышленная трубопроводная. Общие требования безопасности |
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GOST 31384-2008Corrosion protection of concrete and reinforced … |
RD 34-03-301-95Fire Safety Regulations for Energy Enterprises. |
GOST 1577-81Rolled sheets and general-purpose wide strips … |