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Application filed by Elkron SpafiledCriticalElkron Spa
Priority to IT67340/88ApriorityCriticalpatent/IT1219204B/it
Publication of IT8867340A0publicationCriticalpatent/IT8867340A0/it
Application grantedgrantedCritical
Publication of IT1219204BpublicationCriticalpatent/IT1219204B/it