| 摘要 |
<p>The angular frame comprises a number of uprights and shelves. The latter are supported by overhung brackets (11) fixed to the uprights. The latter contain openings in a vertical row, in which protrusions (31,34,35) on the brackets fit. Above the protrusion, each bracket has a portion bent into a hook (30), fitting part-way round the upright.</p> |
