国外标准列表
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[国外标准] ASTM A403/A403M-04 Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
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[国外标准] ASTM A400-69(2000) Standard Practice for Steel Bars, Selection Guide, Composition, and Mechanical Pr
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[国外标准] ASTM A395/A395M-99(R2009) Standard Specification for Ferritic Ductile Iron Pressure-Retaining Castin