五分头LW 发表于 2017-2-27 19:12:53

ASTM A270M-14 Seamless and Welded Austenitic and Ferritic_Austenitic Stainless S

A270A270M-14 Seamless and Welded Austenitic and Ferritic_Austenitic Stainless Steel Sanitary Tubing (E)

admin 发表于 2017-3-2 15:14:08

谢谢您的分享,金币已奖励!
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