Downhole impeller device,申请号GB20050018109-传众专利搜索

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发明名称	Downhole impeller device
摘要
申请公布号	GB2429723(B)	申请公布日期	2010.08.04
申请号	GB20050018109	申请日期	2005.09.06
申请人	HAMDEEN INCORPORATED LIMITED	发明人	RICHARD KEITH BOOTH
分类号	E21B43/12;E21B17/22;E21B21/00;E21B37/00;E21B37/02	主分类号	E21B43/12
代理机构		代理人
主权项
地址

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