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发明名称
Directional drilling control
摘要
申请公布号
GB2435060(A)
申请公布日期
2007.08.15
申请号
GB20060002623
申请日期
2006.02.09
申请人
RUSSELL OIL EXPLORATION LIMITED
发明人
MICHAEL KING RUSSELL;COLIN WALKER
分类号
E21B7/04
主分类号
E21B7/04
代理机构
代理人
主权项
地址
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