Haut-parleur à pavillon,申请号FR19580782707-传众专利搜索

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发明名称	Haut-parleur à pavillon
摘要
申请公布号	FR1218047(A)	申请公布日期	1960.05.06
申请号	FR19580782707	申请日期	1958.12.26
申请人		发明人	BEYER EUGEN
分类号	G10K11/02	主分类号	G10K11/02
代理机构		代理人
主权项
地址

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