Improvements in or relating to methods of and means for controlling the printing units of a perforated card operated tabulating machine,申请号GB19300037278-传众专利搜索

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发明名称	Improvements in or relating to methods of and means for controlling the printing units of a perforated card operated tabulating machine
摘要
申请公布号	GB368766(A)	申请公布日期	1932.03.10
申请号	GB19300037278	申请日期	1930.12.10
申请人	LESLIE ERNEST BROUGHAM	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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