Information × Registration Number 0120U105361, ( 0222U002021 0223U001091 0223U005090 0225U000053 0226U000652 ) R & D request Title Study of LED lighting systems. Head Vitalii A. Herasymenko, Кандидат технічних наук Registration Date 09-12-2020 Organization O.M. Beketov national university of urban economy in Kharkiv popup.description1 Improving the efficiency of LED lighting devices through the development of design techniques and measuring their parameters. popup.nrat_date 2024-12-10 Close