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发明名称
DIE FOR SUCCESIVE MULTIIMPRESSION FORMING
摘要
申请公布号
SU858981(A1)
申请公布日期
1981.08.30
申请号
SU19792760560
申请日期
1979.05.03
申请人
BOJKOV OLEG V,SU
发明人
BOJKOV OLEG V,SU
分类号
B21D22/28;(IPC1-7):B21D22/28
主分类号
B21D22/28
代理机构
代理人
主权项
地址
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