9
Transformer, including single or multi-phase power transformers, control transformers, isolation transformers; safety transformers, step transformers, adapter transformers, series transformers, toroidal core variable transformers, toroidal core transformers; voltage converters; voltage boosters; voltage stabilisers; converters, electric; coils; choking coils (impedance); power supply equipment, including voltage supply equipment and current supply equipment, power supply units; electrical connecting parts; electrical connecting parts for electric conduits; electric loss indicators; electronic switchboards; electric and electronic limiters; computers; computer programs; data-processing apparatus; electric wires; electric cables; electric capacitors; electromagnetic coils; anti-interference devices; printed circuits; current rectifiers; semiconductors; inductors; electrical terminals; contacts, electric; electric measuring devices; measuring instruments; oscillographs; computer peripheral devices; apparatus and instruments for physics; switches; plugboards; electrical apparatus for commutation; integrated circuits; distribution consoles; voltmeters; electromagnetic coils; holders for electric coils; current rectifiers; electricity conduits; circuit closers; ammeters; circuit breakers; electric loss indicators; converters, electric; electricity inverters; power surge protection equipment; electric monitoring apparatus; voltmeters
42
Engineering; services of physicists; computer programming; consultancy in the field of computers; installing, copying, updating, rental and maintenance of computer software; contrasts (measurement); research physics; technical research; construction drafting; technical project studies; material testing