DEVICE FOR CHECKING STUDENTS' KNOWLEDGE,申请号SU19823433924-传众专利搜索

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发明名称	DEVICE FOR CHECKING STUDENTS' KNOWLEDGE
摘要
申请公布号	SU1037320(A2)	申请公布日期	1983.08.23
申请号	SU19823433924	申请日期	1982.02.22
申请人	VNII METODIKI TEKHNIKI RAZVEDKI V PROMYSHLENNOGO OBEDINENIYA "SOYUZGEOTEKHNIKA";LUBENSKIJ ZAVOD SCHETNYKH MASHIN	发明人	YUDOVIN BORIS S,SU;BELYAKOV VLADIMIR I,SU;SOVA VITALIJ G,SU;KIRIJ GRIGORIJ S,SU;KOROTICH ALEKSEJ A,SU
分类号	G09B7/02;(IPC1-7):G09B7/02	主分类号	G09B7/02
代理机构		代理人
主权项
地址

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