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
谢谢您的分享,金币已奖励! 谢谢您的分享,金币已奖励!
:D:D 感謝大大分享好資料:lol:lol
页:
[1]