PACKER OF DEEP-WELL FLOW METER,申请号SU19802978001-传众专利搜索

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发明名称	PACKER OF DEEP-WELL FLOW METER
摘要
申请公布号	SU933972(A1)	申请公布日期	1982.06.07
申请号	SU19802978001	申请日期	1980.09.02
申请人	VNII NEFTEPROMYSLOVOJ GEOFIZIKI	发明人	FILIN NIKOLAJ I,SU
分类号	E21B47/10;E21B33/12;(IPC1-7):E21B47/10	主分类号	E21B47/10
代理机构		代理人
主权项
地址

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