Downhole tool control apparatus,申请号GB20020013016-传众专利搜索

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发明名称	Downhole tool control apparatus
摘要
申请公布号	GB0213016(D0)	申请公布日期	2002.07.17
申请号	GB20020013016	申请日期	1999.01.28
申请人	BAKER HUGHES INC	发明人
分类号	E21B47/12;E21B47/14	主分类号	E21B47/12
代理机构		代理人
主权项
地址

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