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发明名称
Прибор для графического определения приращений прямоугольных координат
摘要
申请公布号
SU34767(A1)
申请公布日期
1934.02.28
申请号
SU19320118979
申请日期
1932.11.21
申请人
IVANOV N.M.
发明人
IVANOV N.M.
分类号
G06G1/16
主分类号
G06G1/16
代理机构
代理人
主权项
地址
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