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发明名称
Apparatus for use in a wellbore
摘要
申请公布号
AU702497(B2)
申请公布日期
1999.02.25
申请号
AU19960051047
申请日期
1996.03.06
申请人
DRILLTECH SERVICES (ASIA) PTE LIMITED
发明人
ROBERT PATRICK APPLETON
分类号
E21B17/10;(IPC1-7):E21B17/10
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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