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Priority claimed from DE2940671Aexternal-prioritypatent/DE2940671C2/de
Priority claimed from DE19803003022external-prioritypatent/DE3003022A1/de
Application filed by Karl Hildebrand KgfiledCriticalKarl Hildebrand Kg
Priority claimed from EP19800102062external-prioritypatent/EP0026805B1/de
Application grantedgrantedCritical
Publication of ATE8807T1publicationCriticalpatent/ATE8807T1/de