SSBT. Occupational Safety Standards System. Surface cable equipment. Safety requirements
ССБТ. Система стандартов безопасности труда. Оборудование тросовое наземное. Требования безопасности |
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SP 11-110-99Summary of design and construction regulations. … |
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GOST 7512-82Non-destructive testing. Welded joints. … |