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发明名称
Perfectionnements apportés aux machines à calculer
摘要
申请公布号
FR837012(A)
申请公布日期
1939.02.01
申请号
FRD837012
申请日期
1938.04.23
申请人
UNDERWOOD ELLIOTT FISHER COMPANY
发明人
分类号
B41J11/48
主分类号
B41J11/48
代理机构
代理人
主权项
地址
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