DEEP-WELL PACKER GRICTION ASSEMBLY,申请号SU19782569069-传众专利搜索

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发明名称	DEEP-WELL PACKER GRICTION ASSEMBLY
摘要
申请公布号	SU684123(A1)	申请公布日期	1979.09.05
申请号	SU19782569069	申请日期	1978.01.16
申请人	VNII NEFTEPROMYSLOVOJ GEOFIZIKI	发明人	SITDYKOV GENA A,SU;BELYJ VIKTOR P,SU;GAJDAMAKA VLADIMIR ,SU
分类号	E21B33/12;(IPC1-7):E21B33/12	主分类号	E21B33/12
代理机构		代理人
主权项
地址

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