Improvements in or relating to machines for punching statistical record cards,申请号GB19360026872-传众专利搜索

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发明名称	Improvements in or relating to machines for punching statistical record cards
摘要
申请公布号	GB482668(A)	申请公布日期	1938.04.04
申请号	GB19360026872	申请日期	1936.10.03
申请人	LESLIE ERNEST BROUGHAM;FRANCIS GUY SYDENHAM ENGLISH	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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