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发明名称
ANNULAR EXTRUDED SHAPE
摘要
申请公布号
JPH07185696(A)
申请公布日期
1995.07.25
申请号
JP19930331424
申请日期
1993.12.27
申请人
SHOWA ALUM CORP
发明人
MICHISAKA KOUZOU;YAMAGUCHI KIYOMASA
分类号
B21D39/08;B21D39/20;C22F1/00;C22F1/04;H02K5/06;H02K15/14;(IPC1-7):B21D39/08
主分类号
B21D39/08
代理机构
代理人
主权项
地址
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