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ASTM A148/A148M-08 Standard Specification for Steel Castings, High Strength

  leunghb ·  2009-12-09 12:24  ·  53258 次点击
ASTMA148/A148M-08StandardSpecificationforSteelCastings,HighStrength,forStructuralPurposes
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标准手册, a148, a148m, standard, specification, steel, castings, strength

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