… Electric sound or visual signalling apparatus (for example, bells, sirens, indicator panels, burglar or fire …
Explanatory notes
… 85.31 ‑ Electric sound or visual signalling apparatus (for example, bells, sirens, indicator panels, burglar or fire … (bells, buzzers, hooters, etc.) or using visual indication (lamps, flaps, illuminated numbers, etc.), and whether … by a hand moving round a dial. (3) Office indicators , for example, those used to indicate whether the occupant of a …