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 Waldir PerrottifiledCriticalWaldir Perrotti
Priority to BR6802641UpriorityCriticalpatent/BR6802641U/en
Publication of BR6802641UpublicationCriticalpatent/BR6802641U/en