Zhang Jianhua
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Patents
超声振动辅助磨削-脉冲放电复合加工主轴单元
2019-01-26 Hits:
Affilication of Author(s):机械工程学院
Application Number:200910231189.4
Number of Inventors:1
Service Invention or Not:no
Application Date:2009-12-17
Application Date:2009-12-17
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