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Thermionic, cold cathode or photocathode 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)
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8540710020

  • Thermionic, cold cathode or photocathode 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)
  • Microwave tubes (for example, magnetrons, klystrons, travelling-wave tubes, carcinotrons), excluding grid-controlled tubes
  • Magnetrons
  • Continuous wave magnetron with: - a fixed frequency of 2460MHz, - a packaged magnet, - a probe output, - an output power of 960 or more but not more than 1500W

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