TWO-SPEED DRIVE FOR PHONOGRAPH TURNTABLES,申请号CAD463430-传众专利搜索

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发明名称	TWO-SPEED DRIVE FOR PHONOGRAPH TURNTABLES
摘要
申请公布号	CA463430(A)	申请公布日期	1950.02.28
申请号	CAD463430	申请日期
申请人	THE GENERAL INDUSTRIES COMPANY	发明人	CHARLES E. EWING
分类号		主分类号
代理机构		代理人
主权项
地址

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