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Priority claimed from US06/751,241external-prioritypatent/US4644534A/en
Priority claimed from DE19853528767external-prioritypatent/DE3528767A1/en
Application filed by Ant NachrichtentechfiledCriticalAnt Nachrichtentech
Priority claimed from EP19850116249external-prioritypatent/EP0208021B1/en
Application grantedgrantedCritical
Publication of ATE63795T1publicationCriticalpatent/ATE63795T1/en