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发明名称
TREIBAPPARAT FUER MEHRFACH ROHRZIEHMASCHINEN
摘要
申请公布号
DE1917556(B2)
申请公布日期
1971.06.09
申请号
DE19691917556
申请日期
1969.04.01
申请人
发明人
分类号
B21C1/32;B21C1/34;(IPC1-7):B21C1/34
主分类号
B21C1/32
代理机构
代理人
主权项
地址
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