Improvements in or relating to gramophones,申请号GB19310004484-传众专利搜索

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发明名称	Improvements in or relating to gramophones
摘要
申请公布号	GB374908(A)	申请公布日期	1932.06.13
申请号	GB19310004484	申请日期	1931.02.12
申请人	THE GENERAL ELECTRIC COMPANY LIMITED;HENRY CHARLES EDWARD JACOBY	发明人
分类号	G11B17/02	主分类号	G11B17/02
代理机构		代理人
主权项
地址

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