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发明名称
APARELHO PARA LAMINAR ALETAS SOBRE TUBOS OU HASTES NAO-ROTATIVOS
摘要
申请公布号
BR6911847(D0)
申请公布日期
1973.01.02
申请号
BR19690211847
申请日期
1969.08.26
申请人
CALUMET & HECLA CORP
发明人
NOVAR A;RIEGLER K
分类号
B21H3/00;B21C37/20;(IPC1-7):B21C37/20
主分类号
B21H3/00
代理机构
代理人
主权项
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