Synthetic or reconstructed precious or semi- precious stones, whether or not worked or graded but not strung, mounted or set;
合成或再造的宝石或半宝石,不论是否加工或分级,但未成串或镶嵌的;
Precious or semi-precious stones (natural, synthetic or reconstructed )on a support of base metal, metal car-bide or cermet;
装于贱金属、硬质合金或金属陶瓷底座上的宝石或半宝石(天然、合成或再造);
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