松雨霞 发表于 2019-12-23 14:06:31

ASTM A790/A790M-2019

Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe

admin 发表于 2019-12-29 20:49:23

谢谢您的分享，金币已奖励！
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