特种碳钢和合金钢管|沙特标准|SASO-GSO-ASTM-A530
SASO-GSO-ASTM-A530
Standard Specification for General Requirements for Specialized Carbon and Alloy Steel Pipe
特种碳钢和合金钢管通用要求的标准规范
特种碳钢和合金钢管|沙特标准|SASO-GSO-ASTM-A530
SASO-GSO-ASTM-A530
Standard Specification for General Requirements for Specialized Carbon and Alloy Steel Pipe
特种碳钢和合金钢管通用要求的标准规范
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