B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
B61L23/10—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only manually operated, e.g. block arrangements
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
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Electric Propulsion And Braking For Vehicles
(AREA)
Dispositif pour l'elimination rapide des charges piegees dans un pont diviseur capacitif utilise pour la surveillance des tensions alternatives elevees
Dispositif pour créer une source de tension alternative avec régulation pour une alimentation de puissance à partir d'une source de courant alternatif du réseau