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Priority to BR838971ApriorityCriticalpatent/BR7108389D0/pt
Publication of BR7108389D0publicationCriticalpatent/BR7108389D0/pt
BR838971A1971-12-171971-12-17Conjunto de conexao de pelo menos uma coluna vertical a uma viga horizontal e sistema de conexao empregado
BR7108389D0
(pt)