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发明名称
Anordning for borestrengavledning
摘要
申请公布号
NO993197(D0)
申请公布日期
1999.06.28
申请号
NO19990003197
申请日期
1999.06.28
申请人
HALLIBURTON ENERGY SERVICES INC
发明人
ROGERS, HENRY E.;HUSHBECK, DONALD F.
分类号
E21B21/10;(IPC1-7):E21B
主分类号
E21B21/10
代理机构
代理人
主权项
地址
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