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Haidian,Beijing,Beijing,China China
The working principle of infrared interactive whiteboard is that there are some LED lights in the four frames;
There are several resistive films inside the whiteboards, when you press on the interactive whiteboards, then
Touch sensitive technology whiteboard There are several resistive films inside the whiteboards, when you pr
Personne àcontacter Catherine wang
Nom de la société Haidian, Beijing, Beijing
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