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 Joaquim Antonio Brito Saraiva, Jose Joaquim Jorge De OliveirafiledCriticalJoaquim Antonio Brito Saraiva
Priority to PT6591376ApriorityCriticalpatent/PT65913B/fr
Publication of PT65913ApublicationCriticalpatent/PT65913A/fr
Publication of PT65913BpublicationCriticalpatent/PT65913B/fr