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[国外标准] BS EN 50264-1:2008 Railway applications Railway rolling stock power and control cables having special fire performance

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P:2009-04-24 08:06:44

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BS EN 50264-1:2008 Railway applications Railway rolling stock power and control cables having special fire performance.pdf

BS EN 50264-1:2008 Railway applications Railway rolling stock power and control cables having special fire performance.pdf

stranding coefficient - 绞入率,绞入系数 （0） 投诉

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