ELECTRICAL TRANSMITTERS AND RECEIVERS FOR RADIO-CONTROLLED MODEL VEHICLES AND SPARE PARTS AND FITTINGS THEREFOR; RADIO CONTROLLED TRANSMITTERS AND RECEIVERS AND ACCESSORIES IN THE NATURE OF AERIALS, BATTERY PACKS, POWER SUPPLIES, ELECTRIC CABLES AND WIRES, SERVO MOTOR CONTROLLERS, SERVO TRAYS, CONVERTERS, ELECTRIC SWITCHES, ELECTRICAL PLUGS AND CONNECTORS, BATTERY LEADS, BATTERY TESTERS, BATTERY CHARGERS, AND RADIO RECEIVER CRYSTALS ALL FOR MODEL AIRPLANES, MODEL HELICOPTERS, MODEL BOATS OR MODEL CARS; MEASURING APPARATUS AND INSTRUMENTS, NAMELY, PITCH GAUGES, AIR PRESSURE GAUGES, TEMPERATURE SENSORS ALL FOR USE WITH MODEL VEHICLES; ELECTRONIC MULTIFUNCTION KEYBOARDS FOR USE WITH MODEL VEHICLES
Electrical and Scientific Apparatus