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发明名称
DRAWING DIE SET
摘要
申请公布号
SU642050(A1)
申请公布日期
1979.01.15
申请号
SU19762423794
申请日期
1976.11.26
申请人
LE I TOCHNOJ MEKHANIKI OPTIKI
发明人
VAJNTRAUB DAVID A,SU
分类号
B21D22/10;(IPC1-7):B21D22/10
主分类号
B21D22/10
代理机构
代理人
主权项
地址
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