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Keywords from Image Description:
Signal principal suisse type voie occupee. fr signal principal suisse type indiquant km avec un signal avanc teint et le signal complmentaire indiquant l'tat de voie occupe Schweizer Hauptsignal Typ Fahrbegriff Fahrt mit km mit gelschtem Vorsignal und Zusatzsignal fr Fahrt auf besetztes Gleis Own Orabh Diagrams of railway signals