Geraet zur audio-visuellen UEbermittlung von Informationen,insbesondere fuer Lehrzwecke,申请号DE19691961269-传众专利搜索

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发明名称	Geraet zur audio-visuellen UEbermittlung von Informationen,insbesondere fuer Lehrzwecke
摘要
申请公布号	DE1961269(A1)	申请公布日期	1970.08.27
申请号	DE19691961269	申请日期	1969.12.06
申请人	MARTINESCO,DIMITRI MICHEL;MARSOT,CHARLES LOUIS	发明人	MICHEL MARTINESCO,DIMITRI;LOUIS MARSOT,CHARLES
分类号	G09B5/06	主分类号	G09B5/06
代理机构		代理人
主权项
地址

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