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ASTM A49-01 Standard Specification for Heat-Treated Carbon Steel Joint Bars

  leunghb ·  2009-11-12 03:33  ·  39622 次点击
ASTMA49-01StandardSpecificationforHeat-TreatedCarbonSteelJointBars,MicroalloyedJointBars,andForgedCarbonSteelCompromiseJointBars
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标准手册, a49, standard, specification, treated, carbon, steel, joint

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