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发明名称
Vorrichtung zum Entfernen der Dornstange aus in einer Stossbank hergestellten Rohren
摘要
申请公布号
DE571031(C)
申请公布日期
1933.02.23
申请号
DE1931D062057D
申请日期
1931.10.07
申请人
DEMAG AKT.-GES.
发明人
分类号
B21C45/00
主分类号
B21C45/00
代理机构
代理人
主权项
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