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Priority claimed from DE19873740270external-prioritypatent/DE3740270A1/en
Priority claimed from DE3824725Aexternal-prioritypatent/DE3824725A1/en
Application filed by Basf AgfiledCriticalBasf Ag
Priority claimed from EP88119194Aexternal-prioritypatent/EP0317911B1/en
Application grantedgrantedCritical
Publication of ATE90327T1publicationCriticalpatent/ATE90327T1/en