leunghb 发表于 2013-12-20 11:40:02

ASTM A20/A20M-09 General Requirements for Steel Plates for Pressure Vessels

ASTM A20/A20M-09

Standard Specification for
General Requirements for Steel Plates for Pressure Vessels

admin 发表于 2013-12-20 11:45:30

谢谢您的分享，金币已奖励！

mechen 发表于 2013-12-20 11:59:43

谢谢您的鼎力协助，后续敬请陆续帮忙
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