sigh007 发表于 2013-8-27 14:14:38

ISO 21013-4:2012 Cryogenic vessels -- Pilot operated pressure relief devices


ISO 21013-4:2012     Cryogenic vessels -- Pilot operated pressure relief devices -- Part 4: Pressure-relief accessories for cryogenic service




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yangminggao 发表于 2013-8-27 16:24:33

谢谢!!!!!!!!!!!!!!!!

2013 发表于 2013-8-27 23:36:51

谢谢分享!!!!!!!!!!!

21319817 发表于 2013-8-28 13:58:06

感谢楼主,楼主是个人厚道人

houyue 发表于 2015-1-23 08:44:58

谢谢了。楼主真是大好人啊。
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