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Priority claimed from IT8567733Aexternal-prioritypatent/IT1208827B/en
Priority claimed from IT67060/86Aexternal-prioritypatent/IT1203526B/en
Application filed by Ilte Ind Libraria TipograficafiledCriticalIlte Ind Libraria Tipografica
Priority claimed from EP86830089Aexternal-prioritypatent/EP0214104B1/en
Application grantedgrantedCritical
Publication of ATE58092T1publicationCriticalpatent/ATE58092T1/en