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发明名称
Improvements in or relating to devices for performing arithmetical operations
摘要
申请公布号
GB732902(A)
申请公布日期
1955.06.29
申请号
GB19510019945
申请日期
1951.08.23
申请人
COMPAGNIE DES MACHINES BULL
发明人
分类号
G06F7/50;G06F7/504
主分类号
G06F7/50
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