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发明名称
Прибор для сложения и вычитания
摘要
申请公布号
SU42732(A1)
申请公布日期
1935.04.30
申请号
SU19340157697
申请日期
1934.11.22
申请人
DIATALOVICH N.P.
发明人
DIATALOVICH N.P.
分类号
G06C15/04
主分类号
G06C15/04
代理机构
代理人
主权项
地址
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