ASTM A709/A709M-05 Standard Specification for Carbon and High-Strength Low-Alloy Structural Steel Sh
标准简介
ASTM A709/A709M-05 Standard Specification for Carbon and High-Strength Low-Alloy Structural Steel Shapes, Plates, and Bars and Quenched-and-Tempered Alloy Structural Steel Plates for Bridges
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