One trip milling system,申请号GB19970008957-传众专利搜索

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发明名称	One trip milling system
摘要
申请公布号	GB2312702(B)	申请公布日期	2000.12.13
申请号	GB19970008957	申请日期	1997.05.01
申请人	* SMITH INTERNATIONAL INC	发明人	CHARLES HENRY * DEWEY;JAMES E. * SAYLOR;BRUCE D * SWEARINGEN;ANDREW MACDONALD * ROBIN;ALEXANDER WILLIAM * DAWSON;GREGORY S. * NAIRN
分类号	E21B7/06;E21B7/08;E21B29/06;(IPC1-7):E21B29/06	主分类号	E21B7/06
代理机构		代理人
主权项
地址

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