Mechanism for inverting double-faced phonograph records,申请号US19450576616-传众专利搜索

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发明名称	Mechanism for inverting double-faced phonograph records
摘要
申请公布号	US2492874(A)	申请公布日期	1949.12.27
申请号	US19450576616	申请日期	1945.02.07
申请人	GIANNICOLA MATARAZZO	发明人	MATARAZZO GIANNICOLA
分类号	G11B17/02	主分类号	G11B17/02
代理机构		代理人
主权项
地址

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