Russian standards PDF

Occupational safety standarts system. Filtering respiratory protective device. Self-rescuer filtering for protection against carbon monoxide with a mouthpiece assembly. General specifications

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Ferrous secondary metals. General specifications

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Rolling bearings. Сylindrical roller bearings without inner or outer ring. Classification, guidance for application and operation

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Machine tools. Controls. Direction of operation

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Cables product. Terms and definitions

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Metal-cutting machine tools. Methods of checking specimens for circularity

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