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Application filed by Endre Tarnai, Sandor DemeterfiledCriticalEndre Tarnai
Priority to IT20339/87ApriorityCriticalpatent/IT1203980B/it
Publication of IT8720339A0publicationCriticalpatent/IT8720339A0/it
Application grantedgrantedCritical
Publication of IT1203980BpublicationCriticalpatent/IT1203980B/it