TABULATING MACHINE CONTROL DEVICE,申请号CAD389473-传众专利搜索

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发明名称	TABULATING MACHINE CONTROL DEVICE
摘要
申请公布号	CA389473(A)	申请公布日期	1940.06.18
申请号	CAD389473	申请日期
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人	ROBERT B. HERBERT
分类号		主分类号
代理机构		代理人
主权项
地址

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