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发明名称
METHOD OF POINTING BARS OF RECTANGULAR CROSS-SECTION BEFORE DRAWING THEM AND SHAPED DIE THEREFOR
摘要
申请公布号
PL149191(B1)
申请公布日期
1990.01.31
申请号
PL19860258150
申请日期
1986.02.27
申请人
发明人
分类号
B21C;B21C5/00;B21J;B21J13/06;(IPC1-7):B21C5/00
主分类号
B21C
代理机构
代理人
主权项
地址
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