the devices being intended to indicate the vessel or parts thereof

Full Title

Arrangements or adaptations of signalling or lighting devices (arrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general B60Q; life-buoys, -belts, -jackets, -suits or the like, characterised by signalling means B63C9/20; lighting devices or systems therefor F21L, F21S) > the devices being intended to indicate the vessel or parts thereof