Drop in dart activated downhole vibration tool,申请号GB20040015468-传众专利搜索

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发明名称	Drop in dart activated downhole vibration tool
摘要
申请公布号	GB2400877(B)	申请公布日期	2005.06.01
申请号	GB20040015468	申请日期	2003.01.29
申请人	* BAKER HUGHES INCORPORATED	发明人	CARL W * STOESZ;JOSEPH P * DEGEARE;GERALD D * LYNDE;ROY E * SWANSON;JAMES A * SONNIER;DAVID B * HAUGHTON
分类号	E21B31/00;(IPC1-7):E21B31/113	主分类号	E21B31/00
代理机构		代理人
主权项
地址

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