KNOWLEDGE EXAMINING DEVICE,申请号SU19874258849-传众专利搜索

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发明名称	KNOWLEDGE EXAMINING DEVICE
摘要
申请公布号	SU1434477(A1)	申请公布日期	1988.10.30
申请号	SU19874258849	申请日期	1987.04.13
申请人	VOLKOV MIKHAIL E,SU	发明人	VOLKOV MIKHAIL E,SU
分类号	G09B7/07	主分类号	G09B7/07
代理机构		代理人
主权项
地址

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