Sound recorder and reproducer,申请号US19390288668-传众专利搜索

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发明名称	Sound recorder and reproducer
摘要
申请公布号	US2323215(A)	申请公布日期	1943.06.29
申请号	US19390288668	申请日期	1939.08.05
申请人	ACTINO LABORATORIES, INC.	发明人	GILMAN MORRIS A.;ANDERSON CARL
分类号	G11B15/70	主分类号	G11B15/70
代理机构		代理人
主权项
地址

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