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 Irineu VinholafiledCriticalIrineu Vinhola
Priority to BR6601808UpriorityCriticalpatent/BR6601808U/pt
Publication of BR6601808UpublicationCriticalpatent/BR6601808U/pt