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 Sousa Valado Ramos Arnaud F DefiledCriticalSousa Valado Ramos Arnaud F De
Priority to PT6514876ApriorityCriticalpatent/PT65148B/en
Publication of PT65148ApublicationCriticalpatent/PT65148A/en
Publication of PT65148BpublicationCriticalpatent/PT65148B/en