sanmaosjy 发表于 2017-11-8 16:23:16

BS EN 50399:2011 Common test methods for cables under fire conditions

BS EN 50399:2011 Common test methods for cables under fire conditions — Heat release and smoke production measurement on cables during flame spread test — Test apparatus, procedures, results

admin 发表于 2017-11-9 13:50:41

谢谢您的分享,金币已奖励!

豹子头 发表于 2018-6-8 14:47:01

楼主有2016版的吗                             
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