Stud design for drill bit cutting element,申请号GB19940004407-传众专利搜索

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发明名称	Stud design for drill bit cutting element
摘要
申请公布号	GB2276896(B)	申请公布日期	1996.12.11
申请号	GB19940004407	申请日期	1994.03.08
申请人	* BAKER HUGHES INCORPORATED	发明人	GORDON A * TIBBITTS;CRAIG H * COOLEY;REDD H * SMITH;PAUL E * PASTUSEK;RALPH M * HORTON
分类号	E21B10/56;E21B10/567;(IPC1-7):E21B10/56	主分类号	E21B10/56
代理机构		代理人
主权项
地址

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