Intelligent drawing board of imparting knowledge to students
The utility model provides an intelligent drawing board of imparting knowledge to students, including drawing board host computer and rechargeable battery, be equipped with the camera on the drawing board host computer, the below of camera is equipped with resistance to compression liquid crystal dr...
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Format: | Patent |
Sprache: | chi ; eng |
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Online-Zugang: | Volltext bestellen |
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