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发明名称
Perfectionnements aux calculatrices électriques numériques
摘要
申请公布号
FR1148515(A)
申请公布日期
1957.12.11
申请号
FRD1148515
申请日期
1956.01.25
申请人
SOCIETE D'ELECTRONIQUE ET D'AUTOMATISME
发明人
VILAIN GILBERT-EMILE
分类号
G06F3/00
主分类号
G06F3/00
代理机构
代理人
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