Improvements in or relating to electrical apparatus for the reproduction of sound recordings,申请号GB19440024015-传众专利搜索

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发明名称	Improvements in or relating to electrical apparatus for the reproduction of sound recordings
摘要
申请公布号	GB587990(A)	申请公布日期	1947.05.12
申请号	GB19440024015	申请日期	1944.12.01
申请人	LAURENCE JOHN SNELL	发明人
分类号	H04R11/08	主分类号	H04R11/08
代理机构		代理人
主权项
地址

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