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发明名称
APERFEICOAMENTOS NAS UNIOES DE ELEMENTOS TUBULARES DE ARMADURAS METALICAS E SIMILARES
摘要
申请公布号
BR7603518(A)
申请公布日期
1977.12.06
申请号
BR19760003518
申请日期
1976.06.01
申请人
OLIVEIRA F;MARTINS A
发明人
OLIVEIRA F;MARTINS A
分类号
F16B7/00;(IPC1-7):F16B7/00
主分类号
F16B7/00
代理机构
代理人
主权项
地址
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