8540: Thermionic, cold cathode valves & tube (ex vac/ga filld, tv camera tu

854011: Cathode-ray television picture tubes, inc video monitor tubes, colour 854012: Cathode-ray TV picture tube incl video monitor tube, B & W/oth monoch 854020: Television camera tubes, image converter and other photocathode tubes 854040: Data/Graphic Display Tubes, Colour, With A Phosphor Dot Screen Pitch of <0.4 Mm 854050: Data/Graphic Display Tubes, Black and White or other Monochrome 854060: Cathode-Ray Tubes (Excl. T.V and Video-Monitor Cathode-Ray Tubes, T.V) 854071: Magnetrons 854072: Klystrons 854079: Microwave Tubes, E.G. Travelling Wave Tubes and Carcinotrons 854081: Receiver or amplifier valves and tubes 854089: Valve and tubes, nes 854091: Parts of cathode-ray tubes 854099: Parts of valve and tubes, nes 8540: Thermionic, cold cathode valves & tube (ex vac/ga filld, tv camera tu