FINISHING TOOL FOR RECOVERING CORE PIPES,申请号SU19792847240-传众专利搜索

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发明名称	FINISHING TOOL FOR RECOVERING CORE PIPES
摘要
申请公布号	SU911011(A1)	申请公布日期	1982.03.07
申请号	SU19792847240	申请日期	1979.12.07
申请人	LAVROV VALERIJ A,SU;LEZGIN LEONID A,SU	发明人	LAVROV VALERIJ A,SU;LEZGIN LEONID A,SU
分类号	E21B31/16;(IPC1-7):E21B31/16	主分类号	E21B31/16
代理机构		代理人
主权项
地址

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