Teaching card for portable multimedia
The utility model discloses a teaching card for portable multimedia, including a plurality of teaching card main part, a plurality of bottom protective strip and a plurality of top protective strip, the top of a plurality of teaching card main part is all fixed and is equipped with top protective st...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The utility model discloses a teaching card for portable multimedia, including a plurality of teaching card main part, a plurality of bottom protective strip and a plurality of top protective strip, the top of a plurality of teaching card main part is all fixed and is equipped with top protective strip, the bottom of a plurality of teaching card main part is all fixed and is equipped with bottom protective strip, fixed being equipped with in one side of teaching card main part has magnetic arc splint, the fixed magnetic column that is equipped with of opposite side of teaching card main part,wherein two top protective strip's both ends are all fixed and are equipped with the becket bridle, the bottom protective strip that top protective strip that this scheme teaching card main part top was equipped with and teaching card main part bottom were equipped with, can protect teaching card, it is damaged to avoid the edge, it uses to influence the projection, the mix design in sand grip andbar groove can connect a |
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