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Application of Rare Earth
Street lamp of LED of Shandong Wei lane year section report 8.9 million degrees
Learn from MII door, at present Shandong saves Wei lane city to already installed high-power LED street lamp to be close to 11000, the street lamp of different type LED that using everyday section report exceeds 24 thousand degrees, o...
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Luminous model the application of fluorescent printing ink in advertisement
Luminous printing ink is to use data of glow of long twilight rare earth, make through high-tech method. Days absorbs sun's rays 10 - 30min, give off light automatically continuously 10h above, still give off light to at dead of n...
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