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Application filed by Chevalley & Company Di Chevalley R & C S A SfiledCriticalChevalley & Company Di Chevalley R & C S A S
Priority to ITTO920480ApriorityCriticalpatent/IT1256839B/it
Publication of ITTO920480A0publicationCriticalpatent/ITTO920480A0/it
Publication of ITTO920480A1publicationCriticalpatent/ITTO920480A1/it
Application grantedgrantedCritical
Publication of IT1256839BpublicationCriticalpatent/IT1256839B/it