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Priority claimed from DE19813138551external-prioritypatent/DE3138551A1/en
Priority claimed from DE19823208216external-prioritypatent/DE3208216A1/en
Application filed by Basf AgfiledCriticalBasf Ag
Priority claimed from EP82108646Aexternal-prioritypatent/EP0075818B2/en
Application grantedgrantedCritical
Publication of ATE17021T1publicationCriticalpatent/ATE17021T1/en