AMPLIFIER FOR RECORDING AND PLAYBACK IN A DICTATING MACHINE AND THE LIKE,申请号CAD680752-传众专利搜索

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发明名称	AMPLIFIER FOR RECORDING AND PLAYBACK IN A DICTATING MACHINE AND THE LIKE
摘要
申请公布号	CA680752(A)	申请公布日期	1964.02.25
申请号	CAD680752	申请日期
申请人	DICTAPHONE CORPORATION	发明人	MARION P. SHORB
分类号		主分类号
代理机构		代理人
主权项
地址

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