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Information × Registration Number 0115U002216, ( 0216U002073  0217U002233  ) R & D request Title Creating methods of diagnosis and evaluation of quality decorative stones with signs of artificial coloring Head Гелета О.Л., Сергієнко І.А., Registration Date 24-02-2015 Organization State Gemmological Centre of Ukraine popup.description1 popup.nrat_date 2024-12-10 Close