Current generator; AC generator; high-frequency AC generator.

Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; energy distribution or control machines and apparatus; electric power or impedance control or regulation machines and apparatus; power capacitors; impedance matching networks; electrical and electronic control apparatus for use with warming and heating apparatus or installations; power amplifiers, especially semiconductor power amplifiers, microwave power amplifiers and radio frequency amplifiers; semiconductors; software; software for command and control of energy distribution; software for controlling the security of an energy distribution system; software for online design and monitoring of an impedance matching network.

Scientific and technological services as well as research and design services relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; engineering; electrical engineering services; engineering services in the field of energy technology; engineering services relating to energy supply systems; research in the field of materials science and electrical engineering; technological analysis relating to third-party energy and electricity needs; analysis and testing services relating to electrical engineering apparatus; technical design and planning of warming and heating installations; design and development of energy and power systems; design and development of power amplifiers, especially semiconductor power amplifiers, microwave power amplifiers and radio frequency amplifiers; advice with respect to energy saving; technological advice; services provided by technological consultants; design of impedance matching networks.