Perfectionnements à des haut-parleurs,申请号FR19640978933-传众专利搜索

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发明名称	Perfectionnements à des haut-parleurs
摘要
申请公布号	FR1399235(A)	申请公布日期	1965.05.14
申请号	FR19640978933	申请日期	1964.06.19
申请人	COMPAGNIE FRANCAISE THOMSON-HOUSTON	发明人
分类号	H04R7/14	主分类号	H04R7/14
代理机构		代理人
主权项
地址

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