Duplicating punching device,申请号US19250034516-传众专利搜索

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发明名称	Duplicating punching device
摘要
申请公布号	US1772186(A)	申请公布日期	1930.08.05
申请号	US19250034516	申请日期	1925.06.03
申请人	THE TABULATING MACHINE COMPANY	发明人	LEE FRED L.;PHILLIPS BURDETT H.
分类号		主分类号
代理机构		代理人
主权项
地址

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