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Shields for cathode ray tubes
Magnetrons
Klystrons
Housings, photomultiplier tube
Retainers for electronic tubes/valves
Connectors for electronic valves and tubes
Pins for electronic valves
Generators, solid state, for electronic tubes and valves
Filaments for electronic tubes and valves
Valve caps, electronic tube top and side contacts
Electronic valve, tube and coil holders, plug-in
Television camera tubes
Valves, transmitting, silica
Valves, transmitting, glass
Valves, transmitting, ceramic
Valves, transmitting, air or vapour cooled
Valves, transmitting, water or liquid cooled
Valves, transmitting, Kenitron
Valves, transmitting, cold cathode, radio
Valves, transmitting, gyrotron, radio
Valves/tubes Klystron, electronic
Valves and tubes, microwave
Valves, electrometer
Radio valves, ruggedised
Valves, relay, electronic
Valves, power, for industrial heating
Cathodes for radio valves and electronic tubes
Valves, rectifying, silicon
Valves, rectifying, gas filled
Valves, rectifying, mercury vapour
Valves, rectifying, high voltage (HV)
Valves, rectifying, high vacuum
Radio receiving valves, domestic
Radio receiving valves, industrial
Modulators, pulse
Thermocouples, vacuum
Interrupters in vacuum for switches
Trigatrons
Ignitrons
Triodes
Thyratrons
Tetrodes
Photoemissive cells, gas filled
Photoemissive cells, vacuum
Photomultipliers
Water jackets and cooling systems, power valve, electronic
Components and accessories for electronic tubes
