| 摘要 |
A framework comprising a plurality of vertical posts, a plurality of horizontal members and a locking attachment for connecting the horizontal members to the vertical posts, the vertical posts being provided with a plurality of key hole shaped apertures oriented at an acute angle to vertical, and a head and stem portion adapted to extend from each of the horizontal members for interconnection with the key hole shaped apertures such that the vertical edge of each horizontal member is force fit connected to a respective one of the vertical posts.
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