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发明名称
Штамп для пробивки в шайбах центрального отверстия
摘要
申请公布号
SU26001(A1)
申请公布日期
1932.04.30
申请号
SU19310086070
申请日期
1931.04.01
申请人
CHURKIN N.G.
发明人
CHURKIN N.G.
分类号
B21D43/16;B21D28/14;B21D28/24
主分类号
B21D43/16
代理机构
代理人
主权项
地址
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