| 摘要 |
The present invention refers to an automatic foldaway column-shaped dissuader (10) comprising a formwork (12) fixed in the soil, a structural unit (14) fixed removably in the formwork (12), and a column (16) received in the inside of the structural unit (14) and coupled to it through one or more pistons (46) adapted to move the column (16) vertically with respect to the structural unit (14). |
