Appareil acoustique contre la surdité,申请号FR19590809905-传众专利搜索

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发明名称	Appareil acoustique contre la surdité
摘要
申请公布号	FR1240347(A)	申请公布日期	1960.09.02
申请号	FR19590809905	申请日期	1959.11.12
申请人	ARDENTE ACOUSTIC LABORATORIES LIMITED	发明人
分类号	G02C11/06;H04R25/02	主分类号	G02C11/06
代理机构		代理人
主权项
地址

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