BR8604245A - Aperfeicoamento em tunel de avanco sob pressao
- Google Patents
Aperfeicoamento em tunel de avanco sob pressao
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Publication number
BR8604245A
BR8604245ABR8604245ABR8604245ABR8604245ABR 8604245 ABR8604245 ABR 8604245ABR 8604245 ABR8604245 ABR 8604245ABR 8604245 ABR8604245 ABR 8604245ABR 8604245 ABR8604245 ABR 8604245A
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Application filed by Construtora Civil E Ind S A CofiledCriticalConstrutora Civil E Ind S A Co
Priority to BR8604245ApriorityCriticalpatent/BR8604245A/pt
Publication of BR8604245ApublicationCriticalpatent/BR8604245A/pt