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经营范围
发明名称
Downhole hydraulic power source
摘要
申请公布号
AU750334(B2)
申请公布日期
2002.07.18
申请号
AU19990056020
申请日期
1999.10.22
申请人
HALLIBURTON ENERGY SERVICES, INC
发明人
JOHN C. GANO
分类号
E21B33/124;(IPC1-7):E21B43/12;E21B34/06
主分类号
E21B33/124
代理机构
代理人
主权项
地址
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