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标题: ASTM A354-11 Standard Specification for Quenched and Tempered Alloy Steel Bolts, [打印本页]

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作者: liuxilin1215    时间: 2017-6-26 09:09:24     标题: ASTM A354-11 Standard Specification for Quenched and Tempered Alloy Steel Bolts,

ASTM A354-11 Standard Specification for Quenched and Tempered Alloy Steel Bolts, Studs, and Other Externally Threaded Fasteners

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作者: admin    时间: 2017-6-26 14:52:45


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