418606002 发表于 2017-3-23 14:53:18

ASTM A312/A312M-16


ASTM A312/A312M-16  Standard Specification for Seamless,Welded,and Heavily Cold Worked Austenitic Stainless Steel Pipes




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admin 发表于 2017-3-25 18:03:53

谢谢您的分享,金币已奖励!
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