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Priority claimed from DE19818131251external-prioritypatent/DE8131251U1/de
Application filed by Wolfgang Zwick, Robert NeumannfiledCriticalWolfgang Zwick
Priority claimed from EP82108314Aexternal-prioritypatent/EP0074623B1/de
Application grantedgrantedCritical
Publication of ATE17150T1publicationCriticalpatent/ATE17150T1/de