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Priority claimed from GB2272878Aexternal-prioritypatent/GB1570581A/en
Application filed by Ciba Geigy AgfiledCriticalCiba Geigy Ag
Publication of IT7949138A0publicationCriticalpatent/IT7949138A0/it
Application grantedgrantedCritical
Publication of IT1164002BpublicationCriticalpatent/IT1164002B/it