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Priority claimed from PCT/US1983/000496external-prioritypatent/WO1983003728A1/en
Publication of JPS59500595ApublicationCriticalpatent/JPS59500595A/ja
Publication of JPH0342744B2publicationCriticalpatent/JPH0342744B2/ja
System for interchanging messages in real time between stations interconnected by a loop link, in particular between stations in a telecommunications exchange