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发明名称
Messung innerer Abmessungen eines Rohres innerhalb eines Bohrlochs
摘要
申请公布号
DE69317888(T2)
申请公布日期
1998.12.10
申请号
DE19936017888T
申请日期
1993.09.17
申请人
COMPUTALOG USA, INC., FORT WORTH, TEX. 76126, US
发明人
ESTES, JAMES D., ARLINGTON, TEXAS 76016, US;DENNIS, BRUCE EDWARD, FORT WORTH, TEXAS 76133, US
分类号
E21B47/08;G01B7/12;G01B7/28;(IPC1-7):G01B7/28
主分类号
E21B47/08
代理机构
代理人
主权项
地址
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