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发明名称
Приспособление к рулетке для восстанавливания перпендикуляров
摘要
申请公布号
SU16423(A1)
申请公布日期
1930.08.31
申请号
SU19290053705
申请日期
1929.08.03
申请人
SMIRNOV A.A.
发明人
SMIRNOV A.A.
分类号
G01B5/00;G01B3/08
主分类号
G01B5/00
代理机构
代理人
主权项
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