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发明名称
METHOD AND DEVICE FOR DEFORMING A WORKPIECE MADE OF A MATERIAL HAVING AN EXPONENTIAL TENSILE STRESS-STRAIN BEHAVIOR INTO A THIN-WALLED, HOLLOW SHELL
摘要
申请公布号
EP1651366(A1)
申请公布日期
2006.05.03
申请号
EP20040726499
申请日期
2004.04.08
申请人
FIRMA ERICH SIEGER
发明人
SIEGER, ERICH
分类号
B21D22/16;(IPC1-7):B21D22/16
主分类号
B21D22/16
代理机构
代理人
主权项
地址
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