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发明名称
Прибор для загибания фальцев на кровельном железе
摘要
申请公布号
SU63276(A1)
申请公布日期
1943.11.30
申请号
SU19390026592
申请日期
1939.09.20
申请人
NIKITNN I.K.
发明人
NIKITNN I.K.
分类号
B21D5/16
主分类号
B21D5/16
代理机构
代理人
主权项
地址
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