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发明名称
Warmwalzverfahren für nahtlose Rohre mit vorausgehender Verringerung des Durchmessers von Halbzeug.
摘要
申请公布号
DE69007033(D1)
申请公布日期
1994.04.07
申请号
DE19906007033
申请日期
1990.11.29
申请人
DALMINE S.P.A., MAILAND/MILANO, IT
发明人
D'AVANZO, RAIMONDO, BERGAMO, IT
分类号
B21B17/04;B21B17/14;B21B23/00;B21B25/04;(IPC1-7):B21B17/00
主分类号
B21B17/04
代理机构
代理人
主权项
地址
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