Pressure gauges; Electromagnetic coils; Integrated circuits; Electronic chips for the manufacture of integrated circuits; Holders for electric coils; Variometers; Inverters; Depth gauges; Length measuring gauges; Pressure gauges; Choking coils for use in electrical apparatus; Magnetic cores; Electrical inductors; Magnetic wires; Magnetic and electromagnetic coils; Magnetic encoders; Circulators in the nature of electronic components.