Improvements in or relating to the recording of sound on films and in the reproduction of recorded sounds,申请号GB19290018251-传众专利搜索

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发明名称	Improvements in or relating to the recording of sound on films and in the reproduction of recorded sounds
摘要
申请公布号	GB313536(A)	申请公布日期	1930.09.15
申请号	GB19290018251	申请日期	1929.06.13
申请人	TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE MIT BESCHRANKTER HAFTUNG	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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