Accounting machine with means for handling positive and negative balances,申请号US19500147639-传众专利搜索

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发明名称	Accounting machine with means for handling positive and negative balances
摘要
申请公布号	US2569830(A)	申请公布日期	1951.10.02
申请号	US19500147639	申请日期	1950.03.04
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人	RABENDA EDWARD J.
分类号		主分类号
代理机构		代理人
主权项
地址

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