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Application filed by Giuseppe Gava, Gianni Michele GiannellafiledCriticalGiuseppe Gava
Priority to IT000421priorityCriticalpatent/IT1249655B/it
Publication of ITTO910421A0publicationCriticalpatent/ITTO910421A0/it
Priority to EP19920109203prioritypatent/EP0517138A1/en
Priority to US07/893,405prioritypatent/US5281136A/en
Publication of ITTO910421A1publicationCriticalpatent/ITTO910421A1/it
Application grantedgrantedCritical
Publication of IT1249655BpublicationCriticalpatent/IT1249655B/it