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发明名称
Electronic adding device
摘要
申请公布号
US2861740(A)
申请公布日期
1958.11.25
申请号
US19520311039
申请日期
1952.09.23
申请人
COMPAGNIE DES MACHINES BULL
发明人
CHENUS PIERRE JACQUES CHARLES
分类号
G06F7/495;G06F7/50
主分类号
G06F7/495
代理机构
代理人
主权项
地址
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