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发明名称
CALCULATING MACHINES
摘要
申请公布号
CA537586(A)
申请公布日期
1957.02.26
申请号
CAD537586
申请日期
申请人
THE NATIONAL CASH REGISTER COMPANY
发明人
OSCAR F. LARSEN;ROLAND G. FOWLER;NELSON R. FRIEBERG
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