Phonograph record centering and driving means,申请号US19490102208-传众专利搜索

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发明名称	Phonograph record centering and driving means
摘要
申请公布号	US2619351(A)	申请公布日期	1952.11.25
申请号	US19490102208	申请日期	1949.06.30
申请人	PHILCO CORPORATION	发明人	KENNEDY GILBERT J.
分类号	G11B17/022;G11B17/16	主分类号	G11B17/022
代理机构		代理人
主权项
地址

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