… Thermionic, cold cathode or photo-cathode valves and tubes (for example, vacuum or vapour or … rectifying valves and tubes, cathode-ray tubes, television camera tubes). …
Explanatory notes
… 85.40 ‑ Thermionic, cold cathode or photo-cathode valves and tubes (for example, … rectifying valves and tubes, cathode-ray tubes, television camera tubes). ‑ Cathode‑ray television …