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[国外标准] BS 7629-2-1997 Specification for 300/500 Vfire resistant electric cables having low emission of smoke and..

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P:2025-02-15 16:22:27

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BS 7629-2-1997.pdf

BS 7629-2-1997 Specification for 300/500 Vfire resistant electric cables having low emission of smoke and corrosive gases when affected by fire-Part 2: Multipair cables.pdf

thickness - 厚度,厚薄 （0） 投诉

wzg196

P:2025-02-15 17:42:51

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EUROTELDEV - European Telecommunications Development欧洲电信开发(组织) （0） 投诉

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