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发明名称
Verfahren und Vorrichtung zum Injizieren von Behandlungsflüssigkeit und Einbringen von Kiesmaterial in ein Bohrloch in einem Arbeitsgang
摘要
申请公布号
DE69026895(D1)
申请公布日期
1996.06.13
申请号
DE19906026895
申请日期
1990.10.05
申请人
BAKER-HUGHES INC., HOUSTON, TEX., US
发明人
WETZEL, RODNEY J., JR., LAFAYETTE, LOUISIANA 70508, US
分类号
E21B37/08;E21B43/04;(IPC1-7):E21B37/08
主分类号
E21B37/08
代理机构
代理人
主权项
地址
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