Record card controlled statistical machine,申请号US19390298524-传众专利搜索

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发明名称	Record card controlled statistical machine
摘要
申请公布号	US2260097(A)	申请公布日期	1941.10.21
申请号	US19390298524	申请日期	1939.10.07
申请人	POWERS ACCOUNTING MACHINES LIMITED	发明人	THOMAS ARTHUR;HOLDEN NORMAN GEOFFREY
分类号		主分类号
代理机构		代理人
主权项
地址

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