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Priority claimed from DE19863637097external-prioritypatent/DE3637097A1/en
Application filed by Alcatel NvfiledCriticalAlcatel Nv
Priority claimed from EP87115804Aexternal-prioritypatent/EP0265918B1/en
Application grantedgrantedCritical
Publication of ATE84657T1publicationCriticalpatent/ATE84657T1/en