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发明名称
TWO-TOTAL CREDIT BALANCE ADDING MACHINES
摘要
申请公布号
CA552367(A)
申请公布日期
1958.01.28
申请号
CAD552367
申请日期
申请人
THE NATIONAL CASH REGISTER COMPANY
发明人
NELSON F. FRIEBERG;OSCAR F. LARSEN
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