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发明名称
AUTOMATIC DRILLING SYSTEM
摘要
申请公布号
EP0694114(B2)
申请公布日期
2006.01.04
申请号
EP19940914863
申请日期
1994.04.19
申请人
WILDCAT SERVICES, L.P.
发明人
BOWDEN, BOBBIE JOE
分类号
E21B19/00;E21B3/00;E21B19/08;E21B44/02
主分类号
E21B19/00
代理机构
代理人
主权项
地址
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