liuxilin1215 发表于 2015-7-7 21:29:10

IEC 61156-5-1-2007 Multicore and symmetrical pair/quad cables for digital commun

IEC 61156-5-1-2007 Multicore and symmetrical pair/quad cables for digital communications – Part 5-1: Symmetrical pair/quad cables with transmission characteristics up to 1 000 MHz – Horizontal floor wiring – Blank detail specification

admin 发表于 2015-7-8 15:04:47

谢谢您的分享,金币已奖励!
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