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Application filed by Necchi SpafiledCriticalNecchi Spa
Priority to IT42902/87ApriorityCriticalpatent/IT1218579B/en
Publication of IT8742902A0publicationCriticalpatent/IT8742902A0/en
Application grantedgrantedCritical
Publication of IT1218579BpublicationCriticalpatent/IT1218579B/en