英国 · 品目· 11 个子目· 27 个税号
8540热离子、冷阴极或光电阴极管
Thermionic, cold cathode or photo-cathode valves and tubes (for example, vacuum or vapour or gas filled valves and tubes, mercury arc rectifying valves and tubes, cathode-ray tubes, television camera tubes)
子目（6 位 WCO 统一）
英国税号（10 位）
本品目下 英国海关的全部细分税号与首要税率
| HS 编码 | 商品描述 | 首要税率 |
|---|---|---|
| 8540110010 | For use in certain types of aircraft | 0.00 % |
| 8540110090 | Other | 0.00 % |
| 8540120010 | For use in certain types of aircraft | 0.00 % |
| 8540120090 | Other | 0.00 % |
| 8540201010 | For use in certain types of aircraft | 0.00 % |
| 8540201090 | Other | 0.00 % |
| 8540208010 | For use in certain types of aircraft | 0.00 % |
| 8540208091 | Photomultiplier | 0.00 % |
| 8540208099 | Other | 0.00 % |
| 8540400010 | For use in certain types of aircraft | 0.00 % |
| 8540400090 | Other | 0.00 % |
| 8540600010 | For use in certain types of aircraft | 0.00 % |
| 8540600080 | Other | 0.00 % |
| 8540710010 | For use in certain types of aircraft | 0.00 % |
| 8540710090 | Other | 0.00 % |
| 8540790010 | For use in certain types of aircraft | 0.00 % |
| 8540790090 | Other | 0.00 % |
| 8540810010 | For use in certain types of aircraft | 0.00 % |
| 8540810090 | Other | 0.00 % |
| 8540890010 | For use in certain types of aircraft | 0.00 % |
| 8540890091 | Displays in the form of a tube consisting of a glass housing mounted on a board the dimensions of which do not exceed 300 mm × 350 mm excluding leads. the tube contains one or more rows of characters or lines arranged in rows, each character or line consisting of fluorescent or phosphorescent elements. these elements are mounted on a metallised base which is covered with fluorescent substances or phosphorescent salts which give off light when bombarded with electrons | 0.00 % |
| 8540890099 | Other | 0.00 % |
| 8540910010 | For use in certain types of aircraft | 0.00 % |
| 8540910020 | Thermionic electron source (emitter point) of lanthanum hexaboride (cas rn 12008-21-8) or cerium hexaboride (cas rn 12008-02-5), with electric connectors<br>- with or without a metal housing,<br>- with or without a graphite carbon shield mounted in a mini-vogel type system,<br>- with or without separate pyrolytic carbon blocks used as heating elements, and <br>- a cathode temperature of less than 1 800 k at a filament current of 1,26 a | 0.00 % |
| 8540910090 | Other | 0.00 % |
| 8540990010 | For use in certain types of aircraft | 0.00 % |
| 8540990090 | Other | 0.00 % |