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Priority claimed from DE19833315041external-prioritypatent/DE3315041C2/en
Priority claimed from DE19848407237external-prioritypatent/DE8407237U1/en
Application filed by Nordfried CzeczerskifiledCriticalNordfried Czeczerski
Priority claimed from EP84104464Aexternal-prioritypatent/EP0123295B1/en
Application grantedgrantedCritical
Publication of ATE35772T1publicationCriticalpatent/ATE35772T1/en