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发明名称
Perfectionnements aux machines comptables à dispositifs multiplicateurs
摘要
申请公布号
FR755739(A)
申请公布日期
1933.11.29
申请号
FRD755739
申请日期
1933.05.18
申请人
THE TABULATING MACHINE COMPANY
发明人
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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