共5个搜索结果:
| HTS Number | Description | Unit of Quantity | General Rate of Duty | Details |
| 2511 | Natural barium sulfate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 2816: | |||
| 2511 10 | Natural barium sulfate (barytes): | |||
| 2511 1010.00 | Ground | t | Free | More |
| 2511 1050.00 | Other | t | $1.25/t | More |
| 2511 2000.00 | Natural barium carbonate (witherite) | kg | Free | More |