PLUGGING TOOL FOR ISOLATION OF THIEF ZONE,申请号SU19772530065-传众专利搜索

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发明名称	PLUGGING TOOL FOR ISOLATION OF THIEF ZONE
摘要
申请公布号	SU658262(A1)	申请公布日期	1979.04.25
申请号	SU19772530065	申请日期	1977.10.05
申请人	PERMSKIJ VNII BUROVOJ TEKHNIKI	发明人	MATVEEV GERMAN M,SU;KNYAZEV IGOR K,SU
分类号	E21B33/134;E21B33/13;E21B33/138;(IPC1-7):E21B33/13	主分类号	E21B33/134
代理机构		代理人
主权项
地址

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