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 Ezio Renato CerrifiledCriticalEzio Renato Cerri
Priority to BR7402180UpriorityCriticalpatent/BR7402180U/en
Publication of BR7402180UpublicationCriticalpatent/BR7402180U/en