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Priority claimed from DE19803031019external-prioritypatent/DE3031019C2/en
Priority claimed from DE19813118184external-prioritypatent/DE3118184C2/en
Application filed by Bernd HoelzelfiledCriticalBernd Hoelzel
Priority claimed from EP81105765Aexternal-prioritypatent/EP0046205B1/en
Application grantedgrantedCritical
Publication of ATE9960T1publicationCriticalpatent/ATE9960T1/en