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Application filed by Svelt SpafiledCriticalSvelt Spa
Priority to IT02918/81ApriorityCriticalpatent/IT1145812B/it
Publication of IT8102918A0publicationCriticalpatent/IT8102918A0/it
Application grantedgrantedCritical
Publication of IT1145812BpublicationCriticalpatent/IT1145812B/it