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Priority claimed from DE3023059Aexternal-prioritypatent/DE3023059C2/de
Priority claimed from DE3049746Aexternal-prioritypatent/DE3049746C2/de
Application filed by Th. Goldschmidt AgfiledCriticalTh. Goldschmidt Ag
Priority claimed from EP81104202Aexternal-prioritypatent/EP0042505B1/de
Application grantedgrantedCritical
Publication of ATE7034T1publicationCriticalpatent/ATE7034T1/de