96资源列表
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[国外标准] ASTM A523-96(2001) Standard Specification for Plain End Seamless and Electric-Resistance-Welded Stee
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[国外标准] ASTM A512-96(2005) Standard Specification for Cold-Drawn Buttweld Carbon Steel Mechanical Tubing
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[国外标准] ASTM A512-96(2001) Standard Specification for Cold-Drawn Buttweld Carbon Steel Mechanical Tubing
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[国外标准] ASTM A214/A214M-96(2005) Standard Specification for Electric-Resistance-Welded Carbon Steel Heat-Exc