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Patents

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中国发明专利：可实现光催化空气净化与自然通风的光导管系统，发明专利授权号：CN100373107C

Release time:2022-04-02 Hits:

Service Invention or Not:  no

Pre One:中国发明专利：应用于文物展示柜照明的光导管系统，发明专利授权号：CN1281172C Next One:美国专利：Light-pipe system for lighting, ventilation and photocatalytic air purification，Patent NO.: US 7875252 B2

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