SSBT. Occupational Safety Standards System. Roundtrip tools and accessories for well workover. Safety requirements
ССБТ. Система стандартов безопасности труда. Инструменты и приспособления спуско-подъемные для ремонта скважин. Требования безопасности |
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MISC International Convention 1992 Transboundary EffectsInternational Convention 1992 Transboundary … |
GGTN Resolution 79 of 12 31 98Approval of rules for the installation and safe … |
NPB 65-97Optical and Electronic Optical Detectors |