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发明名称
DIE SET FOR DRAWING WITH COUNTER-PRESSURE
摘要
申请公布号
SU599892(A1)
申请公布日期
1978.03.30
申请号
SU19762413808
申请日期
1976.10.21
申请人
CHAUZOV ARKADIJ S,SU;CHAUZOV VITALIJ A,SU
发明人
CHAUZOV ARKADIJ S,SU;CHAUZOV VITALIJ A,SU
分类号
B21D22/20;(IPC1-7):B21D22/20
主分类号
B21D22/20
代理机构
代理人
主权项
地址
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