| 摘要 |
A portable display structure (10) comprising a number of upright columns (12) joined by a number of horizontally extending beams (16,18), the columns (12) and/or beams (16,18) being formed in a similar manner of a central structural member made of a number of units (20,22) and each unit (20,22) comprising a plurality of rod elements connected at their ends to associated hubs. |
