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发明名称
Guided drilling system with shock absorber
摘要
申请公布号
EP0805257(B1)
申请公布日期
2003.04.16
申请号
EP19970302915
申请日期
1997.04.29
申请人
INCO LIMITED
发明人
BAIDEN, GREGORY R.;YOUNG, DONALD D.;VAN BERKEL, LAMBERTUS H.;HOOVER, DAVID L.;DEVLUGT, PAUL
分类号
E21B1/36;E21B1/00;E21B3/00;E21B4/14;E21B6/02;E21B7/02;E21B15/00;E21B17/07;E21B19/22;E21B19/24;F16F7/00;(IPC1-7):E21B4/06
主分类号
E21B1/36
代理机构
代理人
主权项
地址
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