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 U P T Metalurgica LtdafiledCriticalU P T Metalurgica Ltda
Priority to BR6700930UpriorityCriticalpatent/BR6700930U/en
Publication of BR6700930UpublicationCriticalpatent/BR6700930U/en