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 Maria Brandao, Afonso Maria BrandaofiledCriticalJose Maria Brandao
Priority to BR7400853UpriorityCriticalpatent/BR7400853U/pt
Publication of BR7400853UpublicationCriticalpatent/BR7400853U/pt