Improvements in or relating to calculating machines,申请号GB19490026193-传众专利搜索

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发明名称	Improvements in or relating to calculating machines
摘要
申请公布号	GB686178(A)	申请公布日期	1953.01.21
申请号	GB19490026193	申请日期	1949.10.12
申请人	THE BRITISH TABULATING MACHINE COMPANY LIMITED;HAROLD HALL KEEN	发明人
分类号	G06F7/46	主分类号	G06F7/46
代理机构		代理人
主权项
地址

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