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Priority claimed from IT20579/78Aexternal-prioritypatent/IT1109545B/it
Application filed by Montedison SpafiledCriticalMontedison Spa
Priority to AT487580ApriorityCriticalpatent/AT368682B/de
Publication of ATA487580ApublicationCriticalpatent/ATA487580A/de
Application grantedgrantedCritical
Publication of AT368682BpublicationCriticalpatent/AT368682B/de