HIGH DENSITY ROW ON ROLLER CONE BIT,申请号EP20070754623-传众专利搜索

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发明名称	HIGH DENSITY ROW ON ROLLER CONE BIT
摘要
申请公布号	EP2010746(B1)	申请公布日期	2009.08.05
申请号	EP20070754623	申请日期	2007.04.03
申请人	BAKER HUGHES INCORPORATED	发明人	CEPEDA, KARLOS, B.;BUSKE, ROBERT, J.;OVERSTREET, JAMES, L.;PESSIER, RUDOLPH, C.
分类号	E21B10/16	主分类号	E21B10/16
代理机构		代理人
主权项
地址

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