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[国外标准] IEC 60811-3-1-1985 Common test methods for insulating and sheathing materials of electric and optical cables

祖国万岁

P:2007-08-14 18:43:39

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IEC 60811-3-1-1985 Common test methods for insulating and sheathing materials of electric and optical cables.pdf

IEC 60811-3-1-1985 Common test methods for insulating and sheathing materials of electric and optical cables.pdf

yellow brass - 黄铜(一种铜锌合金,含铜量为60%) （0） 投诉

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