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发明名称
Verfahren und Vorrichtung zur Herstellung von Doppelrohren
摘要
申请公布号
DE1602370(A1)
申请公布日期
1970.08.06
申请号
DE19671602370
申请日期
1967.12.04
申请人
STAHL- UND ROEHRENWERK REISHOLZ GMBH
发明人
REIMANN,JOSEPH
分类号
B21C37/15;B21D53/06
主分类号
B21C37/15
代理机构
代理人
主权项
地址
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