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发明名称
MATRIZ DE METAL PERFILADO E PROCESSO PARA SUA FORMACAO
摘要
申请公布号
BR8000779(A)
申请公布日期
1980.10.21
申请号
BR19800000779
申请日期
1980.02.08
申请人
UNION CARBIDE CORP
发明人
CROWE J
分类号
B21D37/00;B21D22/02;B21D37/20;B23P15/24;(IPC1-7):B21D47/04;F28F3/14
主分类号
B21D37/00
代理机构
代理人
主权项
地址
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