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发明名称
Schraegwalzwerk oder Rohrpresse zur Herstellung von nahtlosen Rohren
摘要
申请公布号
DE621910(C)
申请公布日期
1935.11.15
申请号
DE1932B156197D
申请日期
1932.06.21
申请人
LEO BECKER
发明人
分类号
B21B19/04;B21B25/04;B21J9/04;B29C47/52
主分类号
B21B19/04
代理机构
代理人
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