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美国进口关税
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Precious stones (other than diamonds) and semiprecious stones, whether or not worked or graded but not strung, mounted or set; ungraded precious stones (other than diamonds) and semiprecious stones, temporarily strung for convenience of transport: · Unworked or simply sawn or roughly shaped:
红宝石、蓝宝石及祖母绿
Precious stones (other than diamonds) and semiprecious stones, whether or not worked or graded but not strung, mounted or set; ungraded precious stones (other than diamonds) and semiprecious stones, temporarily strung for convenience of transport: · Otherwise worked: · Rubies, sapphires and emeralds
Otherwise worked: — 其他：
Precious stones (other than diamonds) and semiprecious stones, whether or not worked or graded but not strung, mounted or set; ungraded precious stones (other than diamonds) and semiprecious stones, temporarily strung for convenience of transport: · Otherwise worked: · Other:
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