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发明名称
DIE FOR WORKING HOLLOW PARTS
摘要
申请公布号
SU799868(A1)
申请公布日期
1981.01.30
申请号
SU19772462367
申请日期
1977.03.14
申请人
ASHIKHMIN VIKTOR A,SU
发明人
ASHIKHMIN VIKTOR A,SU
分类号
B21D37/00;B21D45/00;(IPC1-7):B21D37/00
主分类号
B21D37/00
代理机构
代理人
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