Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from FI974660Aexternal-prioritypatent/FI974660A0/fi
Application filed by Finland Telecom OyfiledCriticalFinland Telecom Oy
Priority to FI980304ApriorityCriticalpatent/FI980304A0/fi
Publication of FI980304A0publicationCriticalpatent/FI980304A0/fi