DEVICE FOR CONTROL OF WELL OUTPUT IN BOTTOM-HOLE SUCKER-ROD PUMPING UNITS,申请号SU19904857441-传众专利搜索

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发明名称	DEVICE FOR CONTROL OF WELL OUTPUT IN BOTTOM-HOLE SUCKER-ROD PUMPING UNITS
摘要
申请公布号	RU1772348(C)	申请公布日期	1992.10.30
申请号	SU19904857441	申请日期	1990.08.07
申请人	PROIZV OB "AZNEFT"	发明人	KALMYKOV PAVEL I,SU;GASANOV TOFIK M,SU;AKHMEDOV AKHMED Z,SU
分类号	E21B47/008	主分类号	E21B47/008
代理机构		代理人
主权项
地址

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