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CIBJO Releases Coloured Stone Special Report
Milan: With the 2021 Virtual CIBJO Congress already underway, the eighth of this year’s CIBJO Special Reports has been released. Prepared by CIBJO’s Coloured Stone
4 November 2021
Milan: With the 2021 Virtual CIBJO Congress already underway, the eighth of this year’s CIBJO Special Reports has been released. Prepared by CIBJO’s Coloured Stone
Milan: With fewer than six weeks to go to the opening of the 2019 CIBJO Congress in Manama, Bahrain, on November 18, 2019, the fifth of the CIBJO