| 摘要 |
<p>It comprises a plurality of structural elements (11) of adjustable height, which comprise two uprights (10) joined together by at least one crosspiece (8), and at least one upper support (4) of adjustable height, and is characterised in that it further comprises a structural element (1) in the form of a triangular arch, which includes one single crosspiece (8), the two uprights (6) of said structural element extending beyond the crosspiece (8) forming two arms (2) which converge forming between them an apex or vertex in which the support (4) of variable height is connected. Said structural element (1) in the form of a triangular arch comprises a central column (3) which is fixed between said vertex and the crosspiece (8). <IMAGE></p> |
