Appareil pour l'étude des tons majeurs et mineurs,申请号FRD997724-传众专利搜索

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发明名称	Appareil pour l'étude des tons majeurs et mineurs
摘要
申请公布号	FR997724(A)	申请公布日期	1952.01.09
申请号	FRD997724	申请日期	1949.10.19
申请人		发明人	TAQUET LUCIEN-LOUIS
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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