非结构钢|沙特标准|SASO-ASTM C645
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非结构钢|沙特标准|SASO-ASTM C645
Standard Specification for Nonstructural Steel Farming Members
非结构钢农业构件的标准规范
TR - Building Materials - Part 1 Sectors of Metals and their Alloys for Buildings and Constructions - Version 2
Standard Specification for Nonstructural Steel Farming Members
非结构钢农业构件的标准规范
TR - Building Materials - Part 1 Sectors of Metals and their Alloys for Buildings and Constructions - Version 2
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