mechen 发表于 2013-12-29 19:35:56

ASTM A 214 _ A 214M _ 96 R06

ASTM A 214 _ A 214M _ 96 R06 Specification for Electric-Resistance-Welded Carbon Steel Heat-Exchangerand Condenser Tubes




nbjwbzj 发表于 2013-12-30 09:07:53

谢谢分享!!!!!!!

admin 发表于 2013-12-30 18:39:25


谢谢您的分享,金币已奖励!
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