mechen 发表于 2013-12-29 19:32:12

ASTM A 213_A 213M_13

ASTM A 213_A 213M_13 Specification for SeamlessFerritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-ExchangerTubes




nbjwbzj 发表于 2013-12-30 09:08:44

谢谢分享！！！！！！！

admin 发表于 2013-12-30 18:39:33


谢谢您的分享，金币已奖励！

wangxiaochun 发表于 2014-3-15 16:45:23

ASTM A 213_A 213M_13 学习学习:)
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