Improvements in and relating to record card controlled tabulating machines,申请号GB19300003855-传众专利搜索

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发明名称	Improvements in and relating to record card controlled tabulating machines
摘要
申请公布号	GB342898(A)	申请公布日期	1931.02.12
申请号	GB19300003855	申请日期	1930.02.05
申请人	CECIL AUGUSTINE REDFERN	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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