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ASTM A250/A250M-05 Standard Specification for Electric-Resistance-Welded

  leunghb ·  2009-12-18 09:12  ·  40199 次点击
ASTMA250/A250M-05StandardSpecificationforElectric-Resistance-WeldedFerriticAlloy-SteelBoilerandSuperheaterTubes
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标准手册, a250, a250m, standard, specification, electric, resistance, welded

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