| 摘要 |
The subject of the invention applies to the technical sectors of advertising and the presentation of educational equipment and games. The device is formed by a support 1 exhibiting, at preferably regular intervals, in vertical and in horizontal alignment, a plurality of pre-cut pellets or stoppers 1a capable of being removed in order to leave behind recessed imprints 1b which, according to the number of pellets removed and to a basic model, constitute letters, numbers or others, the said support being arranged and/or shaped in order to be mounted fixedly or temporarily on a backing plate 2. <IMAGE>
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