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经营范围
发明名称
Walzwerk zur fortlaufenden Herstellung von Quervorspruengen an stabartigen Metallstuecken
摘要
申请公布号
DE534804(C)
申请公布日期
1931.10.02
申请号
DE1929S092462D
申请日期
1929.06.27
申请人
HUGO SEIFERTH
发明人
分类号
B21H7/00;B44B5/00;B44B5/02
主分类号
B21H7/00
代理机构
代理人
主权项
地址
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