| 摘要 |
A framework comprising at least one support column and a bracket engaged therein, the support column having a a tubular core with a substantially rectangular, suitably square, cross-section with a plurality of vertical bridge-pieces projecting therefrom, each of said bridge-pieces carrying rails in parallel alignment with the tube faces, at least some of the bridge-pieces being pierced by vertically aligned slits in which the brackets may be selectively engaged. |
