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发明名称
Счетная машина для производства четырех арифметических действий
摘要
申请公布号
SU49493(A1)
申请公布日期
1936.08.31
申请号
SU19360185100
申请日期
1936.01.23
申请人
VITLIN L.A.
发明人
VITLIN L.A.
分类号
G06C15/04;G06C15/00;G06C15/08
主分类号
G06C15/04
代理机构
代理人
主权项
地址
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