Improvements in or relating to apparatus for verifying perforated record cards,申请号GB19290039468-传众专利搜索

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发明名称	Improvements in or relating to apparatus for verifying perforated record cards
摘要
申请公布号	GB345627(A)	申请公布日期	1931.03.24
申请号	GB19290039468	申请日期	1929.12.24
申请人	THE BRITISH TABULATING MACHINE COMPANY LIMITED	发明人
分类号	G06K5/00	主分类号	G06K5/00
代理机构		代理人
主权项
地址

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