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发明名称
METHOD OF EXTRUDING HOLLOW LIGHT METAL MEMBER, DIE FOR EXTRUDING HOLLOW LIGHT METAL, AND MEMEBER FOR EXTRUDING HOLLOW LIGHT METAL
摘要
申请公布号
EP1637246(A4)
申请公布日期
2008.06.18
申请号
EP20040732202
申请日期
2004.05.11
申请人
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)
发明人
MAENO, SUMIHIKO;SAKAE, AKIRA
分类号
B21C23/08;B21C25/02
主分类号
B21C23/08
代理机构
代理人
主权项
地址
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