| 摘要 |
<p>This display device comprises, arranged on a folding panel (1a, 1b) of a small display case, four packs (12, 13, 14, 15) of superimposable cards, with which it is possible, without removing or changing the order of the cards, to produce numerous visual combinations by superimposing one of the cards of two packs (13, 14) over those of another pack (12). <IMAGE></p> |
