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发明名称
Electronic accounting machine
摘要
申请公布号
US2536955(A)
申请公布日期
1951.01.02
申请号
US19440569992
申请日期
1944.12.27
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
PALMER RALPH L.;PHELPS BYRON E.
分类号
G06C11/08;G06F7/498;G06F7/50;H03K23/82
主分类号
G06C11/08
代理机构
代理人
主权项
地址
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