Matériel d'aide à l'enseignement,申请号FR19640989107-传众专利搜索

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发明名称	Matériel d'aide à l'enseignement
摘要
申请公布号	FR1416530(A)	申请公布日期	1965.11.05
申请号	FR19640989107	申请日期	1964.09.24
申请人		发明人	SCHOFFER NICOLAS
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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