onceok 发表于 2018-8-24 13:10:01

BS EN 50289-1-1:2017 Communication cables — Specifications for test methods

BS EN 50289-1-1:20177 T8 e9 L8 z# o! \  G+ i" b
Communication cables — Specifications for test methods —Part 1-1: Electrical test methods — General requirements

admin 发表于 2018-8-31 14:44:03

谢谢您的分享,金币已奖励!

hgundas 发表于 2019-10-10 00:12:37

謝謝樓主的分享！！！！
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