Tonaufnahmevorrichtung,申请号DE1929S093384D-传众专利搜索

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发明名称	Tonaufnahmevorrichtung
摘要
申请公布号	DE572830(C)	申请公布日期	1933.03.23
申请号	DE1929S093384D	申请日期	1929.08.16
申请人	TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.	发明人
分类号	G11B3/36	主分类号	G11B3/36
代理机构		代理人
主权项
地址

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