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Priority claimed from DE19803030659external-prioritypatent/DE3030659A1/de
Priority claimed from DE19818104704external-prioritypatent/DE8104704U1/de
Application filed by Anton MeyerfiledCriticalAnton Meyer
Priority claimed from EP81106221Aexternal-prioritypatent/EP0045963B1/de
Application grantedgrantedCritical
Publication of ATE13980T1publicationCriticalpatent/ATE13980T1/de