[ Wind mills, ] wind turbines [, wind-powered electricity generators, wind power plants, generators for wind turbines and parts of these goods, namely, turbine towers and masts, blades, blade hubs, machine mounts, yaw rings and gears, brakes, drive shafts, universal joints, transmissions cases, clutches, electrical generators, pitch set tong devices, namely, devices for regulating the pitch of the wings or blades, namely, by shifting or turning the profile angle of each wing or blade in relation to the rotorplane defined by all the wings or blades ]

Electric and electronic equipment for wind turbines, [ wind generators, wind power plants and wind turbine generators, ] namely, electrical power producing systems for conversion of rotating power into electrical power, transformers [; apparatus and computers for control, monitoring and automatically turning on or off the generator, for automatic starting after a public power break-down, for feeding the public power grid with controlled voltages, currents, frequency and failure responses, for overvoltage protection against strokes of lightning; microprocessors for controlling and monitoring constant voltage, frequency, phase conditions, rotor speed, control of the efficiency and thickness of brake pads and of the temperature, direction and speed of wind; vibration sensors for installation in turbine housings in the nature of wind mill housings; electric meters in the nature of meters for checking wattage per hour; all the aforesaid goods for use in connection with wind turbines, wind power generators, wind power plants and wind turbine generators only ]

Erection, installation, maintenance and repair of wind turbines, wind power generators, wind power plants and wind turbine generators