国外标准列表
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[国外标准] ASTM A320/A320M-08 Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for
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[国外标准] ASTM A320/A320M-05a Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for
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[国外标准] ASTM A319-71(2001) Standard Specification for Gray Iron Castings for Elevated Temperatures for Non-P