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发表于 2009-7-16 18:16:52
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来自: 澳大利亚
ASTM A 434标准
ASTM A 434 Standard Specification for Steel Bars, Alloy, Hot-Wrought or Cold-Finished, Quenched and Tempered+ v4 a0 Q% b; v% N; N* _. S
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# X. I9 E; i/ ]: t) k& m: RStandard Specification for Steel Bars, Alloy, Hot-Wrought or Cold-Finished, Quenched and Tempered |
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