Improvements in and relating to sound boxes for soundreproducing & sound-recording machines,申请号GB19290029289-传众专利搜索

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发明名称	Improvements in and relating to sound boxes for soundreproducing & sound-recording machines
摘要
申请公布号	GB333092(A)	申请公布日期	1930.08.07
申请号	GB19290029289	申请日期	1929.09.27
申请人	CARL LINDSTROEM AKTIENGESELLSCHAFT	发明人
分类号	G11B3/46	主分类号	G11B3/46
代理机构		代理人
主权项
地址

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