BR8005776A - Bucha expansiva para grampos,pinos ou cravos de fixacao de trilhos em dormentes de estradas de feero
- Google Patents
Bucha expansiva para grampos,pinos ou cravos de fixacao de trilhos em dormentes de estradas de feero
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Publication number
BR8005776A
BR8005776ABR8005776ABR8005776ABR8005776ABR 8005776 ABR8005776 ABR 8005776ABR 8005776 ABR8005776 ABR 8005776ABR 8005776 ABR8005776 ABR 8005776ABR 8005776 ABR8005776 ABR 8005776A
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Application filed by A Necchi, E Ponti, A NetofiledCriticalA Necchi
Priority to BR8005776ApriorityCriticalpatent/BR8005776A/pt
Publication of BR8005776ApublicationCriticalpatent/BR8005776A/pt