ASTM A234/A234M-07 Standard Specification for Piping Fittings of Wrought Carbon

  leunghb ·  2009-12-12 15:56  ·  48100 次点击
ASTMA234/A234M-07StandardSpecificationforPipingFittingsofWroughtCarbonSteelandAlloySteelforModerateandHighTemperatureService
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z8212020  2011-02-16 09:36
收下了,谢谢LZ

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