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Priority claimed from DE8213816Uexternal-prioritypatent/DE8213816U1/en
Application filed by Fresenius Ag, Hansen BerndfiledCriticalFresenius Ag
Priority claimed from EP83104752Aexternal-prioritypatent/EP0094101B1/en
Application grantedgrantedCritical
Publication of ATE35773T1publicationCriticalpatent/ATE35773T1/en