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 Sigma LtdafiledCriticalMetalurgica Sigma Ltda
Priority to BR6400913UpriorityCriticalpatent/BR6400913U/pt
Publication of BR6400913UpublicationCriticalpatent/BR6400913U/pt