A device for the reproduction of sound,申请号GB19550000976-传众专利搜索

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发明名称	A device for the reproduction of sound
摘要
申请公布号	GB782998(A)	申请公布日期	1957.09.18
申请号	GB19550000976	申请日期	1955.01.12
申请人	TESLA	发明人
分类号	H04R1/28	主分类号	H04R1/28
代理机构		代理人
主权项
地址

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