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ASTM A449-07b Standard Specification for Hex Cap Screws, Bolts and Studs, Steel

  leunghb ·  2010-01-02 13:58  ·  48519 次点击
ASTMA449-07bStandardSpecificationforHexCapScrews,BoltsandStuds,Steel,HeatTreated,120/105/90ksiMinimumTensileStrength,GeneralUse
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标准手册, a449, 07b, standard, specification, screws, bolts, studs, steel

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