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发明名称
Styrbar roterende boreanordning og fremgangsmåte for retningsboring
摘要
申请公布号
NO20030553(D0)
申请公布日期
2003.02.04
申请号
NO20030000553
申请日期
2003.02.04
申请人
HALLIBURTON ENERGY SERVICES INC
发明人
CARGILL, EDWARD JAMES;RESTAU, BRYAN JAMES
分类号
E21B7/06;E21B7/08;F16C29/04;(IPC1-7):E21B7/04
主分类号
E21B7/06
代理机构
代理人
主权项
地址
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