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Application filed by Ernst KollerfiledCriticalErnst Koller
Priority to IT22941/82ApriorityCriticalpatent/IT1152038B/en
Publication of IT8222941A0publicationCriticalpatent/IT8222941A0/en
Application grantedgrantedCritical
Publication of IT1152038BpublicationCriticalpatent/IT1152038B/en