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 Gianfranco Ferro, Gabriel GananianfiledCriticalGianfranco Ferro
Priority to BR6501825UpriorityCriticalpatent/BR6501825U/en
Publication of BR6501825UpublicationCriticalpatent/BR6501825U/en