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Chine (Rép. pop)

Lundi 24 juillet 2006

Quantité : high - Prix : on the basis of prod

LED is Light Emitting Diode. It is a kind of semiconductive solid illuminant parts of an apparatus. Itgives outlight for it has a solid semiconductive CMOS chip. When it is added positive electricityto both sides it gives out light of red ,yellow,green orange,purple,and white. Various...