锻制无缝铜和铜合金管-沙特标准-SASO-ASTM-B251
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锻制无缝铜和铜合金管-沙特标准-SASO-ASTM-B251
SASO-ASTM-B251
Standard Specification for General Requirements for Wrought Seamless Copper and Copper-Alloy Tube
锻制无缝铜和铜合金管通用要求的标准规范
SASO-ASTM-B251
Standard Specification for General Requirements for Wrought Seamless Copper and Copper-Alloy Tube
锻制无缝铜和铜合金管通用要求的标准规范
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