DOWNHOLE FLUID CONTROL LINE SWITCHING,申请号GB19860020342-传众专利搜索

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发明名称	DOWNHOLE FLUID CONTROL LINE SWITCHING
摘要
申请公布号	GB2179383(A)	申请公布日期	1987.03.04
申请号	GB19860020342	申请日期	1986.08.21
申请人	* EXXON PRODUCTION RESEARCH COMPANY	发明人	JENE ARLAN * RICHART
分类号	E21B34/10;(IPC1-7):E21B34/10	主分类号	E21B34/10
代理机构		代理人
主权项
地址

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