Improvements in record storing compartments for talking machines,申请号GB19300015253-传众专利搜索

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发明名称	Improvements in record storing compartments for talking machines
摘要
申请公布号	GB346209(A)	申请公布日期	1931.04.09
申请号	GB19300015253	申请日期	1930.05.17
申请人	THE JOHNSON TALKING MACHINE COMPANY LIMITED;GEORGE GORDON KENT	发明人
分类号	G11B33/04	主分类号	G11B33/04
代理机构		代理人
主权项
地址

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