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Priority claimed from IT21699/82Aexternal-prioritypatent/IT1199985B/en
Priority claimed from IT20426/83Aexternal-prioritypatent/IT1163210B/en
Application filed by Enichem Anic SpafiledCriticalEnichem Anic Spa
Priority claimed from EP83200782Aexternal-prioritypatent/EP0096444B1/en
Application grantedgrantedCritical
Publication of ATE31726T1publicationCriticalpatent/ATE31726T1/en