A CUTTER, A STOPPER MEANS AND A METHOD OF PREVENTING MUD FROM ENTERING INTO A CUTTER,申请号EP19960921182-传众专利搜索

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发明名称	A CUTTER, A STOPPER MEANS AND A METHOD OF PREVENTING MUD FROM ENTERING INTO A CUTTER
摘要
申请公布号	EP0833999(B1)	申请公布日期	2003.04.23
申请号	EP19960921182	申请日期	1996.06.12
申请人	SANDVIK AKTIEBOLAG	发明人	STRAND, GOERAN
分类号	E21B10/10;E21B10/24;E21B10/28;(IPC1-7):E21B10/24	主分类号	E21B10/10
代理机构		代理人
主权项
地址

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