Guangzhou Valley Grand opening light up the world
Date:2011-11-18 17:40
ber 16, the fair opened for the world to meet the guest's door.
Opening day, with light up the world as the theme of Guangzhou photoelectric optical Valley culture exhibition opening will be synchronized. It is learned that the exhibition will make extensive use of real information, pictures, images, and other means, to show the public lighting in human history, from the fire, fuel to electricity, oil lamps, candles, kerosene lamps to incandescent lamps, fluorescent lamps, until today, evol
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06/26 17:17