FR38065E - Dispositif de signalisation pour croisements, carrefours, etc., automatique suivant la densité de la circulation sur les voies
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Dispositif de signalisation pour croisements, carrefours, etc., automatique suivant la densité de la circulation sur les voies
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G08G1/00—Traffic control systems for road vehicles
G08G1/07—Controlling traffic signals
G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
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FR38065D1929-11-221929-11-22Dispositif de signalisation pour croisements, carrefours, etc., automatique suivant la densité de la circulation sur les voies
ExpiredFR38065E
(fr)