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Information × Registration Number 0120U000011, ( 0221U000261  0223U002628  ) R & D request Title The system of ensuring the reliability of data in the trade and of diamonds and other precious stones Head Tatarintsev Volodymyr , к.г.н. Registration Date 13-03-2020 Organization State Gemmological Centre of Ukraine popup.description1 popup.nrat_date 2024-12-10 Close