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 Jose Bento MichelinifiledCriticalJose Bento Michelini
Priority to BR6900062UpriorityCriticalpatent/BR6900062U/en
Publication of BR6900062UpublicationCriticalpatent/BR6900062U/en