BR8505487A - Aperfeicoamento em tunel de avanco sob pressao
- Google Patents
Aperfeicoamento em tunel de avanco sob pressao
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Publication number
BR8505487A
BR8505487ABR8505487ABR8505487ABR8505487ABR 8505487 ABR8505487 ABR 8505487ABR 8505487 ABR8505487 ABR 8505487ABR 8505487 ABR8505487 ABR 8505487ABR 8505487 ABR8505487 ABR 8505487A
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Application filed by Construtora Civil E Ind S A CofiledCriticalConstrutora Civil E Ind S A Co
Priority to BR8505487ApriorityCriticalpatent/BR8505487A/pt
Publication of BR8505487ApublicationCriticalpatent/BR8505487A/pt