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 Luigi Ennio AntoninifiledCriticalLuigi Ennio Antonini
Priority to BR7702704UpriorityCriticalpatent/BR7702704U/pt
Publication of BR7702704UpublicationCriticalpatent/BR7702704U/pt