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Application filed by G T P A Gruppo Tecnico ProgettfiledCriticalG T P A Gruppo Tecnico Progett
Priority to IT68250/79ApriorityCriticalpatent/IT1118770B/en
Publication of IT7968250A0publicationCriticalpatent/IT7968250A0/en
Application grantedgrantedCritical
Publication of IT1118770BpublicationCriticalpatent/IT1118770B/en