zzcnhic 发表于 2018-2-3 21:42:52

ASTM A479/A479M − 18

ASTM A479/A479M − 18 Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels

admin 发表于 2018-2-8 19:33:52

谢谢您的分享，金币已奖励!
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