... -resistance, high reliability and long service life;2. Piston: cooling gallery structure, excellent heat dissipation, high reliability;3. Piston ring: Flexible ...
1.Portable Interactive Whiteboard U Board 2.120'' Effective Working Area 3.Smooth Writing & Touch Feel 4.Fast Response This Portable Interactive Whiteboard U Board will be the most practical portable interactive whiteboard system you have experienced. It is possible by adopting nde2's patented technologies and rich experiences in digital writing system. These features enable uBoard to be ...
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