8540110000 10
- Cathode ray television picture tubes, including video monitor cathode ray tubes
8540110000 80
- - Colour
8540200000 80
- Television camera tubes; image converters and intensifiers; other photocathode tubes
8540201000 80
- - Television camera tubes
8540208000 80
- - Other
8540710000 10
- Microwave tubes (for example, magnetrons, klystrons, travelling-wave tubes, carcinotrons), excluding grid-controlled tubes
8540710000 80
- - Magnetrons
8540810000 10
- Other valves and tubes
8540810000 80
- - Receiver or amplifier valves and tubes
8540910000 10
- Parts
8540910000 80
- - Of cathode ray tubes