Haut-parleur sans cône, ayant son moteur à l'intérieur de la membrane,申请号FRD1102174-传众专利搜索

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发明名称	Haut-parleur sans cône, ayant son moteur à l'intérieur de la membrane
摘要
申请公布号	FR1102174(A)	申请公布日期	1955.10.18
申请号	FRD1102174	申请日期	1954.04.01
申请人		发明人	GOGNY GEORGES
分类号	H04R9/06	主分类号	H04R9/06
代理机构		代理人
主权项
地址

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