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Priority to SE9300927ApriorityCriticalpatent/SE500064C2/sv
Publication of SE9300927D0publicationCriticalpatent/SE9300927D0/sv
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Publication of SE500064C2publicationCriticalpatent/SE500064C2/sv
Förfarande för en programstyrd telefoncentralanläggning, vid vilken fa ciliteter som berör uppkopplingen av en talförbindelse kan inledas frå n en abbonnentanslutning