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发明名称
Verfahren und Vorrichtung zum Perforieren eines Bohrloches.
摘要
申请公布号
DE3881946(T2)
申请公布日期
1993.09.30
申请号
DE19883881946T
申请日期
1988.04.19
申请人
HALLIBURTON CO., DUNCAN, OKLA., US
发明人
GEORGE, FLINT R., KATY TEXAS 77449, US;GEORGE, KEVIN R., COLUMBUS TEXAS 78934, US
分类号
E21B43/116;E21B43/1185;E21B43/14;(IPC1-7):E21B43/116;E21B43/118
主分类号
E21B43/116
代理机构
代理人
主权项
地址
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