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发明名称
Appareil calculateur
摘要
申请公布号
FR53874(E)
申请公布日期
1947.01.10
申请号
FRD53874
申请日期
1945.08.09
申请人
发明人
DIETRICHS JACQUES
分类号
G06G1/04
主分类号
G06G1/04
代理机构
代理人
主权项
地址
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