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 Metalurgica Da Longra LdafiledCriticalMetalurgica Da Longra Lda
Priority to PT8354786ApriorityCriticalpatent/PT83547A/pt
Publication of PT83547ApublicationCriticalpatent/PT83547A/pt