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发明名称
Im Bohrloch auf Ringraumdruck ansprechendes Untersuchungswerkzeug.
摘要
申请公布号
DE69114776(T2)
申请公布日期
1996.04.18
申请号
DE19916014776T
申请日期
1991.07.10
申请人
HALLIBURTON CO., DUNCAN, OKLA., US
发明人
SKINNER, NEAL G., LEWISVILLE, TEXAS 75067, US
分类号
E21B19/00;E21B34/00;E21B34/06;E21B34/10;E21B41/00;(IPC1-7):E21B34/10;E21B23/04
主分类号
E21B19/00
代理机构
代理人
主权项
地址
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