Appareil pour l'étude des langues vivantes,申请号FR19670116341-传众专利搜索

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发明名称	Appareil pour l'étude des langues vivantes
摘要
申请公布号	FR1539094(A)	申请公布日期	1968.09.13
申请号	FR19670116341	申请日期	1967.07.31
申请人		发明人	CHABANNES JEAN
分类号	G09B5/04	主分类号	G09B5/04
代理机构		代理人
主权项
地址

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