Werkzeug mit einer hydraulischen Schaltung zur Verwendung im Bohrloch,申请号DE19916026999-传众专利搜索

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发明名称	Werkzeug mit einer hydraulischen Schaltung zur Verwendung im Bohrloch
摘要
申请公布号	DE69126999(D1)	申请公布日期	1997.09.04
申请号	DE19916026999	申请日期	1991.10.24
申请人	HALLIBURTON ENERGY SERVICES, INC., DUNCAN, OKLA., US	发明人	SCHULTZ, ROGER L., STILLWATER, OKLAHOMA 74074, US;BECK, HAROLD K., COPPER CANYON, TEXAS 75067, US
分类号	E21B34/10;E21B41/00;E21B49/08;(IPC1-7):E21B49/08	主分类号	E21B34/10
代理机构		代理人
主权项
地址

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