Phonograph,申请号US19350047656-传众专利搜索

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发明名称	Phonograph
摘要
申请公布号	US2125706(A)	申请公布日期	1938.08.02
申请号	US19350047656	申请日期	1935.10.25
申请人	ROCK-OLA MANUFACTURING CORPORATION	发明人	WUPPER BENJAMIN F.;DAVIS JAMES A.
分类号	G11B17/26	主分类号	G11B17/26
代理机构		代理人
主权项
地址

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