gmt88 发表于 2013-9-17 00:52:11

ISO 22391-5:2007 Plastics Piping Systems for Hot and Cold Water Installations -

ISO 22391-5:2007(E)
First Edition
2007-01-15
Plastics Piping Systems for Hot and Cold Water Installations -
Polyethylene of Raised Temperature Resistance (PE-RT) -
Part 5: Fitness for Purpose of the System


admin 发表于 2013-9-17 09:35:41

谢谢您的分享,金币已奖励!

2013 发表于 2013-9-17 21:27:43

谢谢分享!!!!!!!!!

wanderer1997 发表于 2014-4-17 19:13:25

非常有用,感谢分享!

qgmzsys 发表于 2015-2-16 09:00:48

谢谢分享,看看学习学习

liulihupan1986 发表于 2017-1-12 08:54:42

好资料!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

dontYY 发表于 2017-6-28 08:39:18

找了很久了,感谢楼主~;P;P;P
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