 2528009000 
其他天然硼酸盐及精矿;天然粗硼酸,含硼酸干重不超过85%
Other natural borates and concentrates thereof (not including borates separated from natural brine); natural boric acid containing not more than 85% of H3BO3 calculated on the dry weight |
2528001000
天然硼砂及其精矿
Natural sodium borates and concentrates thereof(whether or not Calcined), not including borates separated from natural brine |
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