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 Manuel Correia AlvesfiledCriticalManuel Correia Alves
Priority to PT857892UpriorityCriticalpatent/PT8578U/pt
Publication of PT8578TpublicationCriticalpatent/PT8578T/pt
Publication of PT8578UpublicationCriticalpatent/PT8578U/pt