Russian standards PDF

Occupational safety standards system. Personal protective means of hear body. Recommendations for the choice of methods for individual testing of the fit of personal protective equipment

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Tests on electric and optical fibre cables under fire conditions. Part 3-21. Test for flame spread of vertically-mounted bunched wires or cables. Category A F/R

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Tests on electric and optical fibre cables under fire conditions. Part 3-22. Test for flame spread of vertically-mounted bunched wires or cables. Category A

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Tests on electric and optical fibre cables under fire conditions. Part 3-23. Test for flame spread of vertically-mounted bunched wires or cables. Category B

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Tests on electric and optical fibre cables under fire conditions. Part 3-24. Test for vertical flame spread of vertically-mounted bunched wires or cables. Category С

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Tests on electric and optical fibre cables under fire conditions. Part 3-25. Test for flame spread of vertically-mounted bunched wires or cables. Category D

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