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Priority claimed from DE3330533Aexternal-prioritypatent/DE3330533C1/de
Priority claimed from DE3406425Aexternal-prioritypatent/DE3406425C2/de
Application filed by Wurz DieterfiledCriticalWurz Dieter
Priority claimed from EP84109696Aexternal-prioritypatent/EP0137956B1/de
Application grantedgrantedCritical
Publication of ATE50700T1publicationCriticalpatent/ATE50700T1/de