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Priority claimed from DE19803033468external-prioritypatent/DE3033468C2/de
Application filed by Huels Chemische Werke AgfiledCriticalHuels Chemische Werke Ag
Priority claimed from EP19800107410external-prioritypatent/EP0031469B1/de
Application grantedgrantedCritical
Publication of ATE17366T1publicationCriticalpatent/ATE17366T1/de