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South Korea will become the strongest opponent
fecha:2011-05-18 11:12
estado:para resolver
pregunta:admin
tar, Di source of optical light-emitting diodes are pushing high-pressure (HV LED) chips. The same output power, high voltage LED current is much lower than needed to drive low-voltage LED, heat aluminum housing costs can be greatly reduced. DC LED products currently there are some drawbacks in the application needs to be used in conjunction with the transformers and other components, and the life span of only 20,000 hours, while the actual LED chip life is up to 5-10 million hours. By contrast,
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