Improvements in and connected with the production of sound reproducing records,申请号GB19290004265-传众专利搜索

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发明名称	Improvements in and connected with the production of sound reproducing records
摘要
申请公布号	GB323947(A)	申请公布日期	1930.01.16
申请号	GB19290004265	申请日期	1929.02.08
申请人	WILLIAM HENRY TAIT;LAURENCE CHARLES HENRY CAVE	发明人
分类号	C25D1/00	主分类号	C25D1/00
代理机构		代理人
主权项
地址

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