wzg8762 发表于 2020-12-1 09:03:16

ASTM A484/A484M-20a Stainless Steel Bars, Billets, and Forgings

ASTM A484/A484M-20a Standard Specification for General Requirements for Stainless Steel Bars, Billets, and Forgings
不锈钢棒材、钢坯和锻件一般要求的标准规范


admin 发表于 2020-12-1 09:48:34

谢谢您的分享,金币已奖励!

japostle 发表于 2022-3-2 16:37:46

谢谢您的分享,金币已奖励!
:D:D

wonderfuldeer 发表于 2023-7-20 09:24:15

感謝大大分享好資料:lol:lol
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