Phonograph,申请号US19460701365-传众专利搜索

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发明名称	Phonograph
摘要
申请公布号	US2606765(A)	申请公布日期	1952.08.12
申请号	US19460701365	申请日期	1946.10.04
申请人	ROCK-OLA MANUFACTURING CORPORATION	发明人	ROCKOLA DAVID C.
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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