SOLENOID ACTUATED WELL SAFETY VALVE,申请号GB19850025334-传众专利搜索

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发明名称	SOLENOID ACTUATED WELL SAFETY VALVE
摘要
申请公布号	GB2172317(A)	申请公布日期	1986.09.17
申请号	GB19850025334	申请日期	1985.10.15
申请人	* CAMCO INCORPORATED	发明人	WALTER SOMERVILLE * GOING III
分类号	E21B34/06;(IPC1-7):E21B34/06	主分类号	E21B34/06
代理机构		代理人
主权项
地址

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