07资源列表
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[国外标准] ASTM A450/A450M-07 Standard Specification for General Requirements for Carbon, FerriticAlloy, andAus
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[国外标准] ASTM A450-07 Standard Specification for General Requirements for Carbon, FerriticAlloy, andAusteniti
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[国外标准] ASTM A414/A414M-07 Standard Specification for Steel, Sheet, Carbon, for Pressure Vessels1(En)
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[国外标准] ASTM A325M-07 Standard Specification for Structural Bolts, Steel, Heat Treated, 830MPa Minimum Tensi