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https://www.alighting.cn/resource/20051202/128794.htm2005/12/2 0:00:00
据介绍，虽有企业在研究水平上也达到了该效率，但作为可进行量产的产品，170lm/w的发光效率属于业界最高水平。成功提高效率的技术对外保密。
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