| 摘要 |
<p>The present invention relates to a new type of a road sign board which is light, prevents damage such as deflection, and is reusable with an assembly structure comprising: a sign board portion where a flat front sign board forming a front side and a flat rear sign board forming a rear side are separately arranged while facing each other; coupling rails separating the two sign boards from each other while respectively being fixed on facing sides of the front sign board and the rear sign board, having an insertion space inside, and where ends are bent inward; and coupling core members combined in a state of keeping the bent ends of two coupling rails tightly coupled while respectively being inserted into the insertion space which is formed by the coupling rails.</p> |
