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Priority claimed from IT2885174Aexternal-prioritypatent/IT1025244B/it
Priority claimed from IT2628075Aexternal-prioritypatent/IT1046423B/it
Application filed by Montedison SpafiledCriticalMontedison Spa
Publication of ATA813075ApublicationCriticalpatent/ATA813075A/de
Application grantedgrantedCritical
Publication of AT341227BpublicationCriticalpatent/AT341227B/de