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发明名称
CALCULATORS
摘要
申请公布号
CA511597(A)
申请公布日期
1955.04.05
申请号
CAD511597
申请日期
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
HOWARD H. AIKEN;BENJAMIN M. DURFEE;FRANCIS E. HAMILTON;CLAIR D. LAKE
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