lyklzy 发表于 2018-5-17 19:52:40

ASTM A1049A1049M-18 Standard Specification for Stainless Steel Forgings, Ferriti

ASTM A1049A1049M-18 Standard Specification for Stainless Steel Forgings, FerriticAustenitic (Duplex), for Pressure Vessels and Related Components





admin 发表于 2018-5-18 10:58:06

谢谢您的分享，金币已奖励!
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