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ASTM A501-07 Standard Specification for Hot-Formed Welded and Seamless Carbon

  leunghb ·  2010-01-08 15:13  ·  42283 次点击
ASTMA501-07StandardSpecificationforHot-FormedWeldedandSeamlessCarbonSteelStructuralTubing
[attach]39873[/attach]
标准手册, a501, standard, specification, formed, welded, seamless, carbon

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