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发明名称
Штамп для пробивки в листовом металле отверстий диаметром, меньшим толщины материала
摘要
申请公布号
SU102519(A1)
申请公布日期
1955.11.30
申请号
SU19540451632
申请日期
1954.03.25
申请人
NIKOLAEV V.M.
发明人
NIKOLAEV V.M.
分类号
B21D28/14;B26F1/00
主分类号
B21D28/14
代理机构
代理人
主权项
地址
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