sigh007 发表于 2013-11-16 18:26:09

IEC TR 62222-2012 Fire performance of Communication cables installed in building

IEC TR 62222-2012 Fire performance of Communication cables installed in building



liuxilin1215 发表于 2013-11-16 18:29:35

非常给力，谢谢楼主的分享！:)

2013 发表于 2013-11-16 20:37:53

谢谢分享！！！！！！！！！！！！

chankc 发表于 2013-11-17 15:54:47

谢谢楼主分享。。。。。

prettypoet9 发表于 2013-11-17 17:14:35

Thank you for valuable sharing, admin.

exam 发表于 2014-2-3 12:51:45

谢谢提供最新标准:):):)

ecedar 发表于 2015-12-10 09:31:16

非常感谢…………………………………………………………………………

bsgroupwhx 发表于 2016-6-6 14:39:30

thx
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