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[国外标准] Fdis 11-4-2549 POLYVINYL CHLORIDE INSULATED CABLES OFRATED VOLTAGES UP TO AND INCLUDING 450/750V PART 4(泰国标准)

P:2008-05-30 15:08:23

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dynamically-wound multi-wire strand - 动态绕制多股绞线 (0) 投诉

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