Russian standards PDF
Mining equipment. Suspension gears for mine cages. General specifications
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Occupational safety standards system. Personal protective equipment against falls from a height. Sit harnesses. General technical requirements. Test methods
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Internal combustion engines. Piston pins. Part 2. Inspection measuring principles
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Mining. Fight against dust at the coal-mining enterprises. Terms and definitions
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The procedure of the examination of the quality of motor vehicles. General requirements
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Mining. Points of switching in self-rescuers. Terms and definitions
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