Improvements in or relating to the transmission, recording, and reproduction of sound,申请号GB19320004500-传众专利搜索

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发明名称	Improvements in or relating to the transmission, recording, and reproduction of sound
摘要
申请公布号	GB379626(A)	申请公布日期	1932.09.01
申请号	GB19320004500	申请日期	1932.02.15
申请人	TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M.B.H.	发明人
分类号	H04B15/00	主分类号	H04B15/00
代理机构		代理人
主权项
地址

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