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 Alfredo Leone Alves Da F CunhafiledCriticalAlfredo Leone Alves Da F Cunha
Priority to BR7001193UpriorityCriticalpatent/BR7001193U/en
Publication of BR7001193UpublicationCriticalpatent/BR7001193U/en