Arrangement for automatically changing phonograph records,申请号US19470725233-传众专利搜索

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发明名称	Arrangement for automatically changing phonograph records
摘要
申请公布号	US2620194(A)	申请公布日期	1952.12.02
申请号	US19470725233	申请日期	1947.01.30
申请人	DE BOER PETRUS ANTHONIUS	发明人	BOER PETRUS ANTHONIUS DE
分类号	G11B17/18	主分类号	G11B17/18
代理机构		代理人
主权项
地址

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