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Explosionproof electrical apparatus. Part 18. Type of protection (m)
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Powertrack systems. Part 22. Particular requirements for powertrack systems intended for on floor or under floor installation
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Tests on electric and optical cables under fire conditions. Part 3-25. Flame spread of vertically-mounted bunched wires or cables. Category D
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Radionuclide ionizing radiation sealed sources. Purability classes and test methods
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Reciprocating internal combustion engine driven alternating current generating sets. Part 4. Controlgear and switchgear
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