STREAMER

Poles of metal, for electric lines

Emergency power generators; alternators; dynamos; current generators; generators of electricity

High-frequency apparatus; electric monitoring apparatus; circuit closers; switchboxes (electricity); current rectifiers; gauges; electric cables; lightning conductors; limiters (electricity); electric switches; circuit breakers; electric wires

Dielectrics (insulators); insulators; insulators for railway tracks; insulators for electric mains; insulators for cables; insulating materials

Repair information; construction information; construction; interference suppression in electrical apparatus

Electricity distribution; distribution of energy

Production of energy

Technical project studies; engineering; physics research; research and development (for others); technical research; construction drafting; consultancy in the field of energy-saving; surveying