PERFORATED RECORD SENSING DEVICE,申请号CAD395318-传众专利搜索

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发明名称	PERFORATED RECORD SENSING DEVICE
摘要
申请公布号	CA395318(A)	申请公布日期	1941.03.18
申请号	CAD395318	申请日期
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人	EUGENE A. FORD
分类号		主分类号
代理机构		代理人
主权项
地址

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