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 Silvio Guilherme GoesslingfiledCriticalSilvio Guilherme Goessling
Priority to BR7502660UpriorityCriticalpatent/BR7502660U/pt
Publication of BR7502660UpublicationCriticalpatent/BR7502660U/pt