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发明名称
Downhole turbine drive system
摘要
申请公布号
GB2481539(A)
申请公布日期
2011.12.28
申请号
GB20110010849
申请日期
2011.06.27
申请人
DEEP CASING TOOLS LIMITED
发明人
EDWARD DOCHERTY SCOTT;NEIL ANDREW ABERCROMBIE SIMPSON
分类号
E21B4/02;E21B41/00;F03B13/02
主分类号
E21B4/02
代理机构
代理人
主权项
地址
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