DP

Batteries; Computers; Electrolysers; Megaphones; Battery chargers; Clothing for protection against accidents; Downloadable cartoon strips; Electric switches; Electric wires; Electrical connectors; Electrical plugs; Electrical plugs and sockets; Electrified fences; Electronic notice boards; Eyeglass frames; Facsimile apparatus; Fire extinguishers; Geiger counters; Industrial X-ray apparatus; Optical lenses; Picture projectors; Radioactivity measuring apparatus; Tool measuring instruments; Weighing apparatus and instruments