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Information × Registration Number 0116U002054, ( 0217U002238  0218U002088  0218U005406  ) R & D request Title Development of expert system in gemology Head Манохін О.Г., Лисенко О.Ю., Registration Date 09-02-2016 Organization State Gemmological Centre of Ukraine popup.description1 popup.nrat_date 2024-12-10 Close