Card punching machine,申请号US19400339851-传众专利搜索

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发明名称	Card punching machine
摘要
申请公布号	US2240566(A)	申请公布日期	1941.05.06
申请号	US19400339851	申请日期	1940.06.11
申请人	THE FIRM DEUTSCHE HOLLERITH MASCHINEN GESELLSCHAFT M.B.H.	发明人	MAUL MICHAEL
分类号		主分类号
代理机构		代理人
主权项
地址

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