国外标准列表
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[国外标准] ASTM A997-98(2003) Standard Practice for Investment Castings, Surface Acceptance Standards, Visual E
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[国外标准] ASTM A996/A996M-05a Standard Specification for Rail-Steel and Axle-Steel Deformed Bars for Concrete
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[国外标准] ASTM A995/A995M-98(2003) Standard Specification for Castings, Austenitic-Ferritic (Duplex) Stainless