BOLLARD FOR PREVENTING VEHICLE ENTRY

PURPOSE: A bollard for vehicle entry prevention is provided to restore a post body projected to the ground to the original position reliably, to be lightweight and to have excellent strength, and to bend elastically against the collision of an outside object quickly. CONSTITUTION: A bollard for vehi...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	NAM, KYOUNG WOO, HWANG, YONG SOON, KIM, JU TAI
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FIXED CONSTRUCTIONS
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