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发明名称
Прибор для вычерчивания дуг окружностей больших радиусов
摘要
申请公布号
SU101117(A1)
申请公布日期
1954.11.30
申请号
SU19540450309
申请日期
1954.09.06
申请人
GOLUB T.A.
发明人
GOLUB T.A.
分类号
B43L9/00
主分类号
B43L9/00
代理机构
代理人
主权项
地址
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