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ASTM A499-89(2008) Standard Specification for Steel Bars and Shapes, Carbon

  leunghb ·  2010-01-08 13:37  ·  55196 次点击
ASTMA499-89(2008)StandardSpecificationforSteelBarsandShapes,CarbonRolledfrom“T”Rails
[attach]39871[/attach]
标准手册, a499, standard, specification, steel, shapes, carbon

1 条回复

xinyuanjixie  2013-04-23 15:34
谢谢分享，很有用的资料

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