Electric phonograph motor,申请号US19260098904-传众专利搜索

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发明名称	Electric phonograph motor
摘要
申请公布号	US1758191(A)	申请公布日期	1930.05.13
申请号	US19260098904	申请日期	1926.03.31
申请人	RAY S. GEHR	发明人	DORN HARRY P.
分类号	G11B17/00	主分类号	G11B17/00
代理机构		代理人
主权项
地址

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