ir_71 发表于 2014-2-20 01:24:23

BS 6375-1:2009

BS 6375-1:2009
Performance of Windows and  DOORS -
Part 1: Classification for weathertightness and  guidance on Selection and Specification



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admin 发表于 2014-2-24 10:41:37


谢谢您的分享，金币已奖励！
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