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发明名称
DIE FOR DIE FORGING OF HOLLOW ARTICLES BY EXTRUSION WITH THROUGH BROACHING
摘要
申请公布号
SU1389925(A1)
申请公布日期
1988.04.23
申请号
SU19853906419
申请日期
1985.06.07
申请人
DERYABIN ANATOLIJ M,SU
发明人
DERYABIN ANATOLIJ M,SU
分类号
B21J13/02;B21K21/00
主分类号
B21J13/02
代理机构
代理人
主权项
地址
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