中国 · 品目· 2 个子目· 0 个税号
2511天然硫酸钡; 天然碳酸钡 (是否煅烧)
Natural barium sulphate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 2816
Natural barium sulphate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 2816