CAGE SHAFT SUMP EQUIPMENT,申请号SU19762348323-传众专利搜索

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发明名称	CAGE SHAFT SUMP EQUIPMENT
摘要
申请公布号	SU658296(A1)	申请公布日期	1979.04.25
申请号	SU19762348323	申请日期	1976.04.12
申请人	PETROV VLADIMIR ,SU;KNYAZEVA ELENA ,SU	发明人	PETROV VLADIMIR ,SU;KNYAZEVA ELENA ,SU
分类号	E21F13/00;E21C45/00;(IPC1-7):E21F13/00	主分类号	E21F13/00
代理机构		代理人
主权项
地址

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