Improvements in or relating to machines for classifying and selecting record cards,申请号GB19480033274-传众专利搜索

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发明名称	Improvements in or relating to machines for classifying and selecting record cards
摘要
申请公布号	GB668843(A)	申请公布日期	1952.03.26
申请号	GB19480033274	申请日期	1948.12.24
申请人	THE BRITISH TABULATING MACHINE COMPANY LIMITED	发明人
分类号	G06F7/22	主分类号	G06F7/22
代理机构		代理人
主权项
地址

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