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经营范围
发明名称
Dispositif d'addition à matrice
摘要
申请公布号
FR1250467(A)
申请公布日期
1961.01.13
申请号
FR19590807448
申请日期
1959.10.14
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
G06F7/38
主分类号
G06F7/38
代理机构
代理人
主权项
地址
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