兑水 发表于 2009-9-9 08:25:36

ASTM A 789-2005 普通设备用无缝与焊接铁素体/奥氏体不锈钢管

A789/A789M-04 Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service
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