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发明名称
Verfahren zum faltenlosen Schliessen oder Einziehen von duennwandigen Metallrohren
摘要
申请公布号
DE960145(C)
申请公布日期
1957.03.14
申请号
DE1952W010210
申请日期
1952.12.20
申请人
DR.-ING. ERNST WEISSE
发明人
WEISSE DR.-ING. ERNST
分类号
B21D41/04
主分类号
B21D41/04
代理机构
代理人
主权项
地址
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