Work string controller,申请号EP20110169897-传众专利搜索

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发明名称	Work string controller
摘要
申请公布号	EP2392767(B1)	申请公布日期	2012.10.03
申请号	EP20110169897	申请日期	2009.06.11
申请人	HALLIBURTON ENERGY SERVICES, INC.	发明人	BORGSTADT JUSTIN
分类号	E21B19/086;E21B44/02;G05B7/04	主分类号	E21B19/086
代理机构		代理人
主权项
地址

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