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 Checconi RenatofiledCriticalChecconi Renato
Priority to IT47986/82ApriorityCriticalpatent/IT1148141B/en
Publication of IT8247986A0publicationCriticalpatent/IT8247986A0/en
Application grantedgrantedCritical
Publication of IT1148141BpublicationCriticalpatent/IT1148141B/en