Appareil pour l'enseignement musical s'adaptant sur tous instruments à clavier et permettant d'obtenir, simultanément, l'audition et la représentation graphique conventionnelle de notes de musique,申请号FRD781204-传众专利搜索

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发明名称	Appareil pour l'enseignement musical s'adaptant sur tous instruments à clavier et permettant d'obtenir, simultanément, l'audition et la représentation graphique conventionnelle de notes de musique
摘要
申请公布号	FR781204(A)	申请公布日期	1935.05.11
申请号	FRD781204	申请日期	1934.11.14
申请人		发明人	PHILIPPE ALLARI
分类号	G09B15/02	主分类号	G09B15/02
代理机构		代理人
主权项
地址

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