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Information × Registration Number 0116U003677, ( 0217U001478  0218U006389  0219U004399  0220U103752  0221U101124  ) R & D request Title The energy-efficient lighting systems investigation Head Nazarenko Leonid A., Доктор технічних наук Registration Date 17-02-2016 Organization O.M. Beketov national university of urban economy in Kharkiv popup.description1 popup.nrat_date 2024-12-10 Close