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发明名称
Method and device for producing continuous spirals with closed polygon forms from wire, concrete steel or metal tube
摘要
申请公布号
EP0860218(A3)
申请公布日期
2002.01.02
申请号
EP19980600003
申请日期
1998.01.19
申请人
EUROBEND SA
发明人
KARAGIANNIS, KOSTAS
分类号
B21F27/12;(IPC1-7):B21D11/06;B21D11/12;B21F1/00
主分类号
B21F27/12
代理机构
代理人
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