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发明名称
HOLLOW DIE FOR EXTRUSION
摘要
申请公布号
JPH057924(A)
申请公布日期
1993.01.19
申请号
JP19910160410
申请日期
1991.07.01
申请人
SHOWA ALUM CORP
发明人
SUGIO EIJI;NAKAMURA MASAHITO;MICHISAKA KOUZOU
分类号
B21C25/02;B21C25/04
主分类号
B21C25/02
代理机构
代理人
主权项
地址
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