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发明名称
Machine ou dispositif à calculer
摘要
申请公布号
FR809522(A)
申请公布日期
1937.03.04
申请号
FRD809522
申请日期
1936.06.30
申请人
发明人
GUY FRANK EDWARD
分类号
G06F7/46
主分类号
G06F7/46
代理机构
代理人
主权项
地址
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