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ASTM A252-98(2007) Standard Specification for Welded and Seamless Steel Pipe

  leunghb ·  2009-12-18 09:43  ·  39482 次点击
ASTMA252-98(2007)StandardSpecificationforWeldedandSeamlessSteelPipePiles
[attach]39376[/attach]
标准手册, a252, standard, specification, welded, seamless, steel

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