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发明名称
Прибор для построения правильных многоугольников
摘要
申请公布号
SU81909(A1)
申请公布日期
1949.11.30
申请号
SU19480388765
申请日期
1948.12.17
申请人
BRISLAEV A.M.
发明人
BRISLAEV A.M.
分类号
B43L13/00
主分类号
B43L13/00
代理机构
代理人
主权项
地址
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