77390432
Feb 6, 2008
Power supplies; Electrical switchgear, namely, voltage boosting devices for electric power lines; Electronic controller to manage the power, movement and functions of an elevator; Electronic controllers for use with power converters; High-frequency switching power supplies; Power amplifiers; Power controllers; Electrical plug device enabling connection and disconnection of power and/or control cables; Electrical power distribution blocks; Electrical power distribution units; Power distributing boxes; Power transformers for amplification; Semiconductor power elements; Voltage stabilizing power supply
Electrical and Scientific Apparatus