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发明名称
SISTEMA DE LAJE PRÉ-FABRICADA MISTA COM ESTRUTURA TUBULAR PARA GRANDES VÃOS
摘要
申请公布号
BRPI0402242(B1)
申请公布日期
2014.09.16
申请号
BR2004PI02242
申请日期
2004.05.19
申请人
VALLOUREC TUBOS DO BRASIL S.A.
发明人
AFONSO HENRIQUE MASCARENHAS DE ARAUJO
分类号
E04C2/00
主分类号
E04C2/00
代理机构
代理人
主权项
地址
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