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Application filed by Coppacchioli ErnestofiledCriticalCoppacchioli Ernesto
Priority to IT20708/80ApriorityCriticalpatent/IT1130979B/it
Publication of IT8020708A0publicationCriticalpatent/IT8020708A0/it
Application grantedgrantedCritical
Publication of IT1130979BpublicationCriticalpatent/IT1130979B/it