mechen 发表于 2013-12-29 19:30:49

ASTM A 213_A 213M – 05c

ASTM A 213_A 213M – 05c   Specification for SeamlessFerritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-ExchangerTubes




nbjwbzj 发表于 2013-12-30 09:09:09

谢谢分享！！！！！！！

admin 发表于 2013-12-30 18:39:37


谢谢您的分享，金币已奖励！
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