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Application filed by Gianpietro PuggellifiledCriticalGianpietro Puggelli
Priority to IT12419/82ApriorityCriticalpatent/IT1157614B/it
Publication of IT8212419A0publicationCriticalpatent/IT8212419A0/it
Application grantedgrantedCritical
Publication of IT1157614BpublicationCriticalpatent/IT1157614B/it