DRILLING BIT HAVING A CUTTING ELEMENT CO-SINTERED WITH A CONE STRUCTURE,申请号EP20080725885-传众专利搜索

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发明名称	DRILLING BIT HAVING A CUTTING ELEMENT CO-SINTERED WITH A CONE STRUCTURE
摘要
申请公布号	EP2122112(A1)	申请公布日期	2009.11.25
申请号	EP20080725885	申请日期	2008.02.21
申请人	BAKER HUGHES INCORPORATED	发明人	LYONS, NICHOLAS, J.;STEVENS, JOHN, H.;SMITH, REDD, H.
分类号	E21B10/50;E21B10/567	主分类号	E21B10/50
代理机构		代理人
主权项
地址

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