Gramophone record changing mechanisms,申请号US19570652632-传众专利搜索

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发明名称	Gramophone record changing mechanisms
摘要
申请公布号	US2946595(A)	申请公布日期	1960.07.26
申请号	US19570652632	申请日期	1957.04.12
申请人	THE PLESSEY COMPANY LIMITED	发明人	COSTA HARRY DA
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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