liuyu1029 发表于 2014-6-19 13:14:21

ASTM A20-2003 standard specification for general requirements for steel plat

ASTM A20M standard specification for  general requirements for steel plates for pressure vessels

admin 发表于 2014-6-19 22:50:56

谢谢您的分享，金币已奖励。

hasasa 发表于 2017-4-27 11:58:01

资料不错，谢谢楼主分享

新型涂料 发表于 2018-8-6 16:18:51

资料不错，谢谢楼主分享:(:):D
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