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 Fatello UbaldofiledCriticalFatello Ubaldo
Priority to IT5393282UpriorityCriticalpatent/IT8253932V0/it
Publication of IT8253932V0publicationCriticalpatent/IT8253932V0/it
Priority to US06/538,028prioritypatent/US4521200A/en
Priority to DE8383201406Tprioritypatent/DE3372349D1/de
Priority to EP83201406Aprioritypatent/EP0107230B1/en
Priority to AT83201406Tprioritypatent/ATE28159T1/de