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发明名称
Arbeitsverfahren zum Herstellen von Stahlrohren aus Bloecken unter Verwendung eines gasentwickelnden Schmiermittels
摘要
申请公布号
DE1527798(A1)
申请公布日期
1970.01.08
申请号
DE19661527798
申请日期
1966.01.15
申请人
HYDRAULIK GMBH
发明人
SIBLER,GUENTER
分类号
B21C23/32
主分类号
B21C23/32
代理机构
代理人
主权项
地址
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