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发明名称
PROGRESSIVE DIE
摘要
申请公布号
PL265193(A1)
申请公布日期
1988.11.10
申请号
PL19870265193
申请日期
1987.04.14
申请人
发明人
分类号
B21D;B21D37/08;B21D53/20;(IPC1-7):B21D/
主分类号
B21D
代理机构
代理人
主权项
地址
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