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  1. 1
    汽车起动齿轮轴的精密塑性成形

    汽车起动齿轮轴的精密塑性成形 by 孟令先, 马建民, 宋学进, 张元国

    Published 2008-01-01
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  2. 2
    汽车复杂齿形类零件的冷挤压成型

    汽车复杂齿形类零件的冷挤压成型 by 孟令先, 刘洁, 宋学进, 王跃选, 马杰

    Published 2003-01-01
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