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发明名称
Циркуль для вычерчивания эллипсов
摘要
申请公布号
SU42693(A1)
申请公布日期
1935.04.30
申请号
SU19340156566
申请日期
1934.09.03
申请人
KOZHEMYAKIN N.A.
发明人
KOZHEMYAKIN N.A.
分类号
B43L11/04
主分类号
B43L11/04
代理机构
代理人
主权项
地址
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