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Priority claimed from DE19823205342external-prioritypatent/DE3205342A1/en
Priority claimed from DE19833300754external-prioritypatent/DE3300754A1/en
Application filed by Alfons SprehefiledCriticalAlfons Sprehe
Priority claimed from EP83101360Aexternal-prioritypatent/EP0086478B1/en
Application grantedgrantedCritical
Publication of ATE23416T1publicationCriticalpatent/ATE23416T1/en