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烧结铁基制品 碳氮共渗层深度的测定
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湿式烧结金属摩擦材料 摩擦性能试验台试验方法
Bench test method for frictional characteristics of sintered metal friction materials run in lubricants
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粉末冶金机油泵齿轮 技术条件
Specifications for powder metallurgy oil pump gears
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粉末冶金金刚石磨轮 硬质合金轧辊成型磨轮
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烧结金属材料(不包括硬质合金)--抽样
Sintered metal materials, excluding hardmetals -- Sampling
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