IEC 61156-5-2012 Multicore and symmetrical pair/quad cables for digital communic
IEC 61156-5-2012 Multicore and symmetrical pair/quad cables for digital communications – Part 5: Symmetrical pair/quad cables with transmission characteristics up to 1000 MHz – Horizontal floor wiring – Sectional specification谢谢您的分享,金币已奖励! 可以给我一个你的标准吗 759473081@qq.com
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