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Priority claimed from DE19803010823external-prioritypatent/DE3010823A1/de
Priority claimed from DE19818108092external-prioritypatent/DE8108092U1/de
Application filed by Meffert W KgfiledCriticalMeffert W Kg
Priority claimed from EP81102127Aexternal-prioritypatent/EP0037500B1/de
Application grantedgrantedCritical
Publication of ATE15420T1publicationCriticalpatent/ATE15420T1/de