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 Raul Saraiva AvilafiledCriticalRaul Saraiva Avila
Priority to BR6702121UpriorityCriticalpatent/BR6702121U/en
Publication of BR6702121UpublicationCriticalpatent/BR6702121U/en