Highway safety monitoring equipment

The utility model relates to the technical field of traffic equipment, and discloses an expressway safety monitoring device which comprises a supporting frame, electric telescopic rods are fixedly installed on the two sides of the top face of the supporting frame, velocimeters are fixedly installed...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LOU JIKUI, XIA BOCHENG, SUN XIAOLE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALARM SYSTEMS ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS TRAFFIC CONTROL SYSTEMS
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