ir_71 发表于 2013-12-3 17:04:09

ISO 22197-1:2007 Fine ceramics (advanced ceramics, advanced technical ceramics)

ISO 22197-1:2007 Fine ceramics (advanced ceramics, advanced technical ceramics) — Test method for air-purification performance of semiconducting photocatalytic materials — Part 1: Removal of nitric oxide





admin 发表于 2013-12-3 18:12:47

谢谢您的分享，金币已奖励！

2013 发表于 2013-12-4 22:06:02

谢谢                                          

ygs67 发表于 2016-1-14 13:15:30

多谢分享！                             
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