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yangminggao 发表于 2013-8-24 17:16:41

ISO 20421-1:2006 Cryogenic vessels -- Large transportable

ISO 20421-1:2006   Cryogenic vessels -- Large transportable vacuum-insulated vessels -- Part 1: Design, fabrication, inspection and testing

sigh007 发表于 2013-8-24 17:16:42

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