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经营范围
发明名称
Aparelho e processo para perfurar e completar múltiplos poços
摘要
申请公布号
BR9609875(A)
申请公布日期
1999.03.23
申请号
BR19960009875
申请日期
1996.06.03
申请人
MARATHON OIL COMPANY
发明人
GARY J. COLLINS
分类号
E21B7/00;E21B7/04;E21B7/06;E21B7/08;E21B23/00;E21B23/12;E21B33/03;E21B33/047;E21B43/017;E21B43/14;E21B43/30;(IPC1-7):E21B7/08;E21B7/12;E21B17/00
主分类号
E21B7/00
代理机构
代理人
主权项
地址
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