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发明名称
Device for computation of roots of polynomials
摘要
申请公布号
US2643821(A)
申请公布日期
1953.06.30
申请号
US19500166918
申请日期
1950.06.08
申请人
OFFICE NATIONAL D'ETUDES ET DE RECHERCHES AERONAUTIQUES
发明人
FRAGER LOUIS C.
分类号
G06G7/36
主分类号
G06G7/36
代理机构
代理人
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地址
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