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Priority claimed from DE19833337534external-prioritypatent/DE3337534A1/de
Priority claimed from DE19833337535external-prioritypatent/DE3337535A1/de
Application filed by Alfons KnochefiledCriticalAlfons Knoche
Priority claimed from EP84112271Aexternal-prioritypatent/EP0142037B1/de
Application grantedgrantedCritical
Publication of ATE50030T1publicationCriticalpatent/ATE50030T1/de