Core bit with hydrodynamic core destruction.,申请号EP19920106929-传众专利搜索

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发明名称	Core bit with hydrodynamic core destruction.
摘要
申请公布号	EP0512329(B1)	申请公布日期	1995.02.22
申请号	EP19920106929	申请日期	1992.04.23
申请人	WAVE TEC GES.M.B.H.	发明人	AWDUJEWSKI, WSEWOLOD SERGEJEWITSCH;GANIJEW, RIFNER WASSILOWITSCH;MUFASALOW, ROBERT SCHAKUROWITSCH;SACHAROW, JURIJ PETROWITSCH
分类号	E21B7/24;E21B10/04;E21B10/06;E21B10/18;E21B10/60;(IPC1-7):E21B10/04;E21B7/18	主分类号	E21B7/24
代理机构		代理人
主权项
地址

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