BR9005852A - Aperfeicoamento em conjunto mecanico para cravacao de tubos em tunel de avanco sob pressao
- Google Patents
Aperfeicoamento em conjunto mecanico para cravacao de tubos em tunel de avanco sob pressao
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Publication number
BR9005852A
BR9005852ABR9005852ABR9005852ABR9005852ABR 9005852 ABR9005852 ABR 9005852ABR 9005852 ABR9005852 ABR 9005852ABR 9005852 ABR9005852 ABR 9005852ABR 9005852 ABR9005852 ABR 9005852A
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Application filed by Construtora Civil E Ind S A CofiledCriticalConstrutora Civil E Ind S A Co
Priority to BR9005852ApriorityCriticalpatent/BR9005852A/pt
Publication of BR9005852ApublicationCriticalpatent/BR9005852A/pt