Apparatus for use in teaching,申请号GB19610012162-传众专利搜索

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发明名称	Apparatus for use in teaching
摘要
申请公布号	GB927039(A)	申请公布日期	1963.05.22
申请号	GB19610012162	申请日期	1961.04.05
申请人	ERNST GUSTAV FALLINGBORG;WILLY JOHANNES ANDERSEN	发明人
分类号	G09B3/06	主分类号	G09B3/06
代理机构		代理人
主权项
地址

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