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发明名称
COMBINED EDM AND ULTRASONIC DRILLING
摘要
申请公布号
EP0366466(B1)
申请公布日期
1993.03.17
申请号
EP19890311058
申请日期
1989.10.26
申请人
ROLLS-ROYCE PLC;SPARK TEC LIMITED
发明人
WATKINS, JAMES RODNEY;EL-MENSHAWY, MOHAMED FAWZY
分类号
B23H5/00;B23H5/04;B23H9/14
主分类号
B23H5/00
代理机构
代理人
主权项
地址
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