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 Nuova Zambelli S R LfiledCriticalNuova Zambelli S R L
Priority to IT41553/88ApriorityCriticalpatent/IT1220661B/it
Publication of IT8841553A0publicationCriticalpatent/IT8841553A0/it
Application grantedgrantedCritical
Publication of IT1220661BpublicationCriticalpatent/IT1220661B/it