Device for cleaning the well-bore-surrounding-zone,申请号EP19920106953-传众专利搜索

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发明名称	Device for cleaning the well-bore-surrounding-zone
摘要
申请公布号	EP0512331(B1)	申请公布日期	1996.09.18
申请号	EP19920106953	申请日期	1992.04.23
申请人	WAVE TEC GES.M.B.H.	发明人	GANIJEW, RIFNER WASSILOWITSCH;MUFASALOW, ROBERT SCHAKUROWITSCH;WASILIEW, REMUS CHUSAINOWITSCH;SACHAROW, JURIJ PETROWITSCH;MUCHUTDINOW, RASCHID GABDULATIFOWITSCH
分类号	E21B37/04;E21B7/24;E21B21/00;E21B41/00;(IPC1-7):E21B21/00	主分类号	E21B37/04
代理机构		代理人
主权项
地址

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