Reproducteur de sons,申请号FRD683794-传众专利搜索

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发明名称	Reproducteur de sons
摘要
申请公布号	FR683794(A)	申请公布日期	1930.06.17
申请号	FRD683794	申请日期	1929.10.23
申请人	SACHSENWERK, LICHT- UND KRAFT-AKTIENGESELLSCHAFT	发明人
分类号	G11B31/00	主分类号	G11B31/00
代理机构		代理人
主权项
地址

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