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Priority claimed from US06/473,362external-prioritypatent/US4580215A/en
Priority claimed from US06/473,364external-prioritypatent/US4546428A/en
Application filed by Alcatel NvfiledCriticalAlcatel Nv
Priority claimed from EP84102380Aexternal-prioritypatent/EP0121763B1/de
Application grantedgrantedCritical
Publication of ATE55839T1publicationCriticalpatent/ATE55839T1/de