Improvements in or relating to talking machines,申请号GB19280032154-传众专利搜索

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发明名称	Improvements in or relating to talking machines
摘要
申请公布号	GB325196(A)	申请公布日期	1930.02.05
申请号	GB19280032154	申请日期	1928.11.05
申请人	WILFRED HENRY JEVONS;FRANK DAVENALL NORTON	发明人
分类号	G11B19/00	主分类号	G11B19/00
代理机构		代理人
主权项
地址

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