Combined typewriting, bookkeeping, and card-perforating machine,申请号US19290414298-传众专利搜索

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法人/股东/高管

发明名称	Combined typewriting, bookkeeping, and card-perforating machine
摘要
申请公布号	US2064340(A)	申请公布日期	1936.12.15
申请号	US19290414298	申请日期	1929.12.07
申请人	UNDERWOOD ELLIOTT FISHER COMPANY	发明人	DAVIS FRANK K.
分类号		主分类号
代理机构		代理人
主权项
地址

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