Improvements in or relating to gramophones,申请号GB19290025088-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	GB340006(A)	申请公布日期	1930.12.16
申请号	GB19290025088	申请日期	1929.08.16
申请人	LEONARD EUGENE COWEY	发明人
分类号	G11B17/16	主分类号	G11B17/16
代理机构		代理人
主权项
地址

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