国外标准列表
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[国外标准] ASTM A490-08a Standard Specification For Structural BoltasAlloy Steel,Heat Treated,150 ksiMinimum Te
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[国外标准] ASTM A49-01 Standard Specification for Heat-Treated Carbon Steel Joint Bars, Microalloyed Joint Bars
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[国外标准] ASTM A487/A487M-93(2003) Standard Specification for Steel Castings Suitable for Pressure Service
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[国外标准] ASTM A484/A484M-05a Standard Specification for General Requirements for Stainless Steel Bars, Billet