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 Belleli SpafiledCriticalBelleli Spa
Priority to IT2111283UpriorityCriticalpatent/IT8321112V0/en
Publication of IT8321112V0publicationCriticalpatent/IT8321112V0/en
Priority to US06/504,344prioritypatent/US4630673A/en
Priority to EP83105860Aprioritypatent/EP0097324B1/en
Priority to DE8383105860Tprioritypatent/DE3375505D1/en