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发明名称
Perfectionnements aux machines à calculer et plus particulièrement aux machines permettant d'effectuer des multiplications ou des divisions
摘要
申请公布号
FR818868(A)
申请公布日期
1937.10.05
申请号
FRD818868
申请日期
1936.07.24
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
G06F7/46
主分类号
G06F7/46
代理机构
代理人
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地址
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