Zhang Jianhua
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Patents
基于电磁超声振动复合能场的内孔加工系统及方法
2019-04-15 Hits:
Affilication of Author(s):机械工程学院
Patent Applicant:Zhang Jianhua
Type of Patent:发明
Application Number:201810759827.9
Number of Inventors:1
Service Invention or Not:no
Application Date:2018-07-11
Publication Date:2020-03-10
Authorization Date:2020-03-10
Publication Date:2020-03-10
Application Date:2018-07-11
Authorization Date:2020-03-10
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