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Priority claimed from DE19858510869external-prioritypatent/DE8510869U1/en
Priority claimed from DE19858521503external-prioritypatent/DE8521503U1/en
Application filed by Hans Dieter NiemannfiledCriticalHans Dieter Niemann
Priority claimed from EP86104994Aexternal-prioritypatent/EP0198441B1/en
Application grantedgrantedCritical
Publication of ATE46011T1publicationCriticalpatent/ATE46011T1/en