CUTTING MEMBER FOR ROTARY DRILL BIT,申请号GB19820004714-传众专利搜索

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发明名称	CUTTING MEMBER FOR ROTARY DRILL BIT
摘要
申请公布号	GB2095142(B)	申请公布日期	1984.05.16
申请号	GB19820004714	申请日期	1982.02.17
申请人	CHRISTENSEN INC	发明人
分类号	E21B10/56;E21B10/567;(IPC1-7):B24D7/06	主分类号	E21B10/56
代理机构		代理人
主权项
地址

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