ygs67 发表于 2016-12-17 10:36:42

IEC 61156-3-2008

IEC 61156-3-2008 Multicore and symmetrical pair/quad cables for digital communications - Part 3: Work area cable - Sectional specification

admin 发表于 2016-12-19 09:43:50

谢谢您的分享,金币已奖励!
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