RECORDING PROGRESS INDICATOR,申请号CAD532354-传众专利搜索

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发明名称	RECORDING PROGRESS INDICATOR
摘要
申请公布号	CA532354(A)	申请公布日期	1956.10.30
申请号	CAD532354	申请日期
申请人	DICTAPHONE CORPORATION	发明人	GEORGE B. BONA;RICHARD G. ROWE
分类号		主分类号
代理机构		代理人
主权项
地址

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