BR7407883A - Dispositivo para prender trilhos em blocos de concreto
- Google Patents
Dispositivo para prender trilhos em blocos de concreto
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Publication number
BR7407883A
BR7407883ABR788374ABR788374ABR7407883ABR 7407883 ABR7407883 ABR 7407883ABR 788374 ABR788374 ABR 788374ABR 788374 ABR788374 ABR 788374ABR 7407883 ABR7407883 ABR 7407883A
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Application filed by Japan National RailwayfiledCriticalJapan National Railway
Priority to BR788374ApriorityCriticalpatent/BR7407883A/pt
Publication of BR7407883ApublicationCriticalpatent/BR7407883A/pt