Improvements in or relating to apparatus for punching holes in record cards,申请号GB19430010640-传众专利搜索

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发明名称	Improvements in or relating to apparatus for punching holes in record cards
摘要
申请公布号	GB566594(A)	申请公布日期	1945.01.04
申请号	GB19430010640	申请日期	1943.06.30
申请人	THE BRITISH TABULATING MACHINE COMPANY LIMITED	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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