空心结构型材|沙特标准|SASO-ASTM-A1085M
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空心结构型材|沙特标准|SASO-ASTM-A1085M
SASO-ASTM-A1085M
Standard Specification for Cold-Formed Welded Carbon Steel Hollow Structural Sections (HSS)
冷成型焊接碳素钢空心结构型材(HSS)的标准规范
SASO-ASTM-A1085M
Standard Specification for Cold-Formed Welded Carbon Steel Hollow Structural Sections (HSS)
冷成型焊接碳素钢空心结构型材(HSS)的标准规范
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