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TIA/EIA-568-B.2-1:2002 Commercial Building Telecommunications Cabling Standard(完整版)
TIA/EIA-568-B.2-1:2002 Commercial Building Telecommunications Cabling Standard - 无图版
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六类网线标准
TIA/EIA-568-B.2-1:2002 Commercial Building Telecommunications Cabling Standard.rar
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