BR7401546A - Semaforo concentrico
- Google Patents
Semaforo concentrico
Info
Publication number
BR7401546A
BR7401546ABR154674ABR154674ABR7401546ABR 7401546 ABR7401546 ABR 7401546ABR 154674 ABR154674 ABR 154674ABR 154674 ABR154674 ABR 154674ABR 7401546 ABR7401546 ABR 7401546A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by P VieirafiledCriticalP Vieira
Priority to BR154674ApriorityCriticalpatent/BR7401546A/pt
Publication of BR7401546ApublicationCriticalpatent/BR7401546A/pt