myshy1225 发表于 2016-9-19 11:37:43

ASTM A789/A789M-16a

ASTM A789/A789M-16a Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service

admin 发表于 2016-9-20 10:54:22

谢谢您的分享，金币已奖励!

wo21822564 发表于 2017-1-9 16:32:45

这个是中文版还是英文版的？

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