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发明名称
Brönnpumpe
摘要
申请公布号
NO972504(D0)
申请公布日期
1997.06.02
申请号
NO19970002504
申请日期
1997.06.02
申请人
HALLIBURTON ENERGY SERVICES INC
发明人
SKINNER, NEAL G.;RINGGENBERG, PAUL D.
分类号
E21B34/06;E21B43/12;E21B49/08;F04B47/08
主分类号
E21B34/06
代理机构
代理人
主权项
地址
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