HERSTELLUNG VON IM BOHRLOCHVERLAUF VORGEGEBENEN BOHRUNGEN.,申请号AT19890114510T-传众专利搜索

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发明名称	HERSTELLUNG VON IM BOHRLOCHVERLAUF VORGEGEBENEN BOHRUNGEN.
摘要
申请公布号	AT113691(T)	申请公布日期	1994.11.15
申请号	AT19890114510T	申请日期	1989.08.05
申请人	BOHRGESELLSCHAFT RHEIN-RUHR MBH	发明人	SPARENBERG, HEINRICH;KOEHLER, THEO
分类号	E21B7/06;E21B10/64;E21B47/022;(IPC1-7):E21B7/06	主分类号	E21B7/06
代理机构		代理人
主权项
地址

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