Variable speed phonograph drive mechanisms,申请号US19550526949-传众专利搜索

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发明名称	Variable speed phonograph drive mechanisms
摘要
申请公布号	US2876648(A)	申请公布日期	1959.03.10
申请号	US19550526949	申请日期	1955.08.08
申请人	THE GENERAL INDUSTRIES COMPANY	发明人	HARTMAN HERBERT L.
分类号	G11B19/265	主分类号	G11B19/265
代理机构		代理人
主权项
地址

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