IMPROVEMENTS IN AND RELATING TO TEACHING MACHINES,申请号GB19680013064-传众专利搜索

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发明名称	IMPROVEMENTS IN AND RELATING TO TEACHING MACHINES
摘要
申请公布号	GB1247363(A)	申请公布日期	1971.09.22
申请号	GB19680013064	申请日期	1968.09.18
申请人	LICENCIA TALALMANYOKAI ERTEKESITO VALLALAT	发明人	BELA BALAZS
分类号	G09B7/04	主分类号	G09B7/04
代理机构		代理人
主权项
地址

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