Perfectionnements aux haut-parleurs électrodynamiques,申请号FRD825005-传众专利搜索

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发明名称	Perfectionnements aux haut-parleurs électrodynamiques
摘要
申请公布号	FR825005(A)	申请公布日期	1938.02.22
申请号	FRD825005	申请日期	1936.11.06
申请人		发明人	ALEXANDRE FLORESCO,;MAURICE HENRY,
分类号	H04R9/04	主分类号	H04R9/04
代理机构		代理人
主权项
地址

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