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申请公布号
SU29819(A1)
申请公布日期
1933.04.30
申请号
SU19320108855
申请日期
1932.05.09
申请人
BEREZHNOJ K.L.;GORYUSHKO G.A.
发明人
BEREZHNOJ K.L.;GORYUSHKO G.A.
分类号
B21D39/10;B21D41/02
主分类号
B21D39/10
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