兑水 发表于 2009-9-6 15:20:34

ASTM A 354-2004 淬火与回火合金钢螺栓,双头螺栓及其他外螺纹...

A354-03a Standard Specification for Quenched and Tempered Alloy Steel Bolts, Studs, and Other Externally Threaded Fasteners
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