VALVE DEVICE FOR PUMPING WELL,申请号SU19925028709-传众专利搜索

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发明名称	VALVE DEVICE FOR PUMPING WELL
摘要
申请公布号	RU2042788(C1)	申请公布日期	1995.08.27
申请号	SU19925028709	申请日期	1992.02.24
申请人	SALMANOV RASHIT GILEMOVICH	发明人	SHARIFOV MAKHIR Z;LEONOV VASILIJ A;SALMANOV RASHIT G;SUSLIK ALEKSANDR N;LYUBIMOV NIKOLAJ F
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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