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Application filed by Trevi SpafiledCriticalTrevi Spa
Priority to IT8903592ApriorityCriticalpatent/IT8903592A0/it
Publication of IT8903592A0publicationCriticalpatent/IT8903592A0/it
Priority to DE1990608641prioritypatent/DE69008641T2/de
Priority to ES90114666Tprioritypatent/ES2055835T3/es
Priority to EP19900114666prioritypatent/EP0411560B1/en