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LED 3.0 single color...

LED 3.0 bicolor disp...

LED 3.75 single cl ...

LED 3.75 full c ....

LED 3.75 bicolor dis...

LED 4.8 single color...

LED 4.8 bicolor dis...

LED 4.8 fullcolor displ...
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LED daylight lamp and the Principle ...   Japan Outdoor Full Color Display...  
The development and application ...   USA NIKE Indoor Full Color Display...  
LED lighting technology...   Pudong sightseeing tunnel...  
traditional low-power LED devic...   Shanghai Nanhui District...  
use of simple installation...   Shanghai Zhongshan Passenger...  
disadvantage is brough...   Shanghai Minsheng Bank...  
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