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发明名称
APERFEICOAMENTO EM ELEMENTO ESTRUTURAL COMPOSTO
摘要
申请公布号
BR9005158(A)
申请公布日期
1991.07.16
申请号
BR1990PI05158
申请日期
1990.10.15
申请人
LUIS AUGUSTO GOES CALMON DE BARROS BARRETO
发明人
LUIS AUGUSTO GOES CALMON DE BARROS BARRETO
分类号
E04C2/32;E04C2/34;(IPC1-7):E04C2/32
主分类号
E04C2/32
代理机构
代理人
主权项
地址
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