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[国外标准] IS 694-2010 印度电线POLYVINYL CHLORIDE INSULATED UNSHEATHED AND SHEATHED CABLES/CORDS WITH RIGID AND FLEXIBLE

P:2013-06-09 16:11:26

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IS 694-2010 印度电线POLYVINYL CHLORIDE INSULATED UNSHEATHED AND SHEATHED CABLES/CORDS WITH RIGID AND FLEXIBLE CONDUCTOR FOR RATED VOLTAGES UP TO AND INCLUDING 450/750V.pdf

two-wire system - 二线制(在长途通信传输中,如果收信电路和发信电路用同一回路传输时,需要两根导线传输) (0) 投诉

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