Verfahren zum Steuern eines Bohrwerkzeugs,申请号DE19955009490-传众专利搜索

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发明名称	Verfahren zum Steuern eines Bohrwerkzeugs
摘要
申请公布号	DE59509490(D1)	申请公布日期	2001.09.13
申请号	DE19955009490	申请日期	1995.05.24
申请人	BAKER HUGHES INC., HOUSTON;ENI S.P.A., ROM/ROMA	发明人	OPPELT, DR.-ING.;HEISIG, DR.-ING.;DONATI, FRANCESCO
分类号	E21B7/06;E21B44/00;E21B47/022;(IPC1-7):E21B47/022	主分类号	E21B7/06
代理机构		代理人
主权项
地址

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