… for central heating, not electrically heated, and parts thereof, of iron or steel; air heaters and hot air distributors (including distributors … electrically heated, incorporating a motor-driven fan or blower, and parts thereof, of iron or steel. …
Explanatory notes
… for central heating, not electrically heated, and parts thereof, of iron or steel; air heaters and hot air distributors (including distributors … electrically heated, incorporating a motor‑driven fan or blower, and parts thereof, of iron or steel. ‑ …