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发明名称
VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG EINES ROHRKNIES
摘要
申请公布号
AT2835(U1)
申请公布日期
1999.05.25
申请号
AT19970000125U
申请日期
1997.02.26
申请人
HOERTNAGL VINZENS
发明人
分类号
B21C37/28;B21D39/04;(IPC1-7):B21D39/04
主分类号
B21C37/28
代理机构
代理人
主权项
地址
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