Card Readout Machines, Operation thereof and Cards therefor.,申请号GB19670045682-传众专利搜索

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发明名称	Card Readout Machines, Operation thereof and Cards therefor.
摘要
申请公布号	GB1158224(A)	申请公布日期	1969.07.16
申请号	GB19670045682	申请日期	1967.10.06
申请人	BELL & HOWELL COMPANY	发明人	RICHARD MICHAEL DAVIDSON
分类号	G09B5/06;G09B7/06	主分类号	G09B5/06
代理机构		代理人
主权项
地址

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