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Application filed by Oberto E F Di Oberto Geom AntofiledCriticalOberto E F Di Oberto Geom Anto
Priority to IT08602/83ApriorityCriticalpatent/IT1172575B/it
Publication of IT8308602A0publicationCriticalpatent/IT8308602A0/it
Application grantedgrantedCritical
Publication of IT1172575BpublicationCriticalpatent/IT1172575B/it