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[国外标准] BS EN 50289-1-2:2001 Communication cables - Specifications for test methods Part 1-2:Electrical test methods DC resistance

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P:2020-04-22 17:34:09

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BS EN 50289-1-2:2001 Communication cables - Specifications for test methods Part 1-2:Electrical test methods DC resistance.pdf

BS EN 50289-1-2:2001 Communication cables - Specifications for test methods Part 1-2:Electrical test methods DC resistance.pdf

radio wire - 天线合股线,天线用的合股线,无线电装置用电线 （0） 投诉

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