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Application filed by Svelt SpafiledCriticalSvelt Spa
Priority to IT02906/81ApriorityCriticalpatent/IT1145805B/en
Publication of IT8102906A0publicationCriticalpatent/IT8102906A0/en
Application grantedgrantedCritical
Publication of IT1145805BpublicationCriticalpatent/IT1145805B/en