A moving vehicle alarm system arranged to be mounted to a vehicle, with reduced levels of sound perceptible outside of an area of protection.
MOVING VEHICLE WARNING SYSTEM
WARNSYSTEM FÜR EIN FAHRENDES FAHRZEUG
SYSTÈME D'ALERTE POUR VÉHICULE EN MOUVEMENT
2022-09-28
Patent
Electronic Resource
English
IPC: | B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC |
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