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发明名称
Verfahren und Vorrichtung zum Strecken hohler, zylindrischer Rohlinge zu rohrartigen Werkstücken.
摘要
申请公布号
CH285209(A)
申请公布日期
1952.08.31
申请号
CHD285209
申请日期
1949.11.25
申请人
FENYVESI,ZOLTAN
发明人
FENYVESI,ZOLTAN
分类号
B21B17/04
主分类号
B21B17/04
代理机构
代理人
主权项
地址
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