Record changing mechanism for phonographs,申请号US19390298092-传众专利搜索

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发明名称	Record changing mechanism for phonographs
摘要
申请公布号	US2371361(A)	申请公布日期	1945.03.13
申请号	US19390298092	申请日期	1939.10.05
申请人	FARNSWORTH TELEVISION & RADIO CORPORATION	发明人	SMALL ANNA M.
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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