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2010-5-11
This illuminate writing board comes with LED back light. The writing board has a black border and...
LED Writing Board
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2007-10-8
with LED lights to illuminate creative thinking for children
Using 3*1.5v battery 5# (not...
书写板, writing board
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2007-1-17
An EL lamp consists of light emitting phosphor sandwiched between two conducting electrodes...
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2007-1-17
The fluorescent writing board can be applied as black-board in the ordinary environment.In...
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