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Application filed by Menegazzi UmbertofiledCriticalMenegazzi Umberto
Priority to IT41550/80ApriorityCriticalpatent/IT1154178B/en
Publication of IT8041550A0publicationCriticalpatent/IT8041550A0/en
Application grantedgrantedCritical
Publication of IT1154178BpublicationCriticalpatent/IT1154178B/en