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[国外标准] ANSI/TIA/EIA 568-B Commercial Building Telecommunications Cabling Standard

P:2013-12-26 16:01:27

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ANSI/TIA/EIA 568-B Commercial Building Telecommunications Cabling Standard.pdf

hash-mark stripe - 杂色标志带(螺绕.在导体上,作电路标志用) (0) 投诉

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