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Priority claimed from DE4234028Aexternal-prioritypatent/DE4234028A1/de
Priority claimed from DE4234067Aexternal-prioritypatent/DE4234067A1/de
Priority claimed from DE4234012Aexternal-prioritypatent/DE4234012A1/de
Application filed by Basf AgfiledCriticalBasf Ag
Application grantedgrantedCritical
Publication of TW247270BpublicationCriticalpatent/TW247270B/zh