ygs67 发表于 2015-6-19 14:26:19

ASTM A214 A214M-96(R12)

ASTM A214  A214M-96(R12) Specification for Electric-Resistance-Welded Carbon Steel Heat-Exchanger and Condenser Tubes

admin 发表于 2015-6-23 12:10:25

谢谢您的分享,金币已奖励!
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