Technical and electrical installations, equipment and devices for power current engineering, weak current engineering, high voltage engineering and extra-high voltage engineering; solar modules being photovoltaic installations for the production of electricity; electrical transformers; generator transformers; distribution transformers; power transformers; regulating transformers; phase-shifting transformers; rectifier transformers; electrical power converters; rectifiers; power inverters; fre...

[ ELECTRICAL DEVICES AND INSTRUMENTS, NAMELY, ELECTRICAL TRANSFORMERS AND CONTROLLERS AND REGULATORS FOR POWER CURRENT ENGINEERING, NAMELY, FOR TRANSMISSION, TRANSFORMATION, STORAGE, CONTROL, REGULATION, SUPERVISION AND TESTING OF ELECTRIC CURRENT AND VOLTAGE OF PUBLIC AND INDUSTRIAL ELECTRIC POWER SUPPLY SYSTEMS, TRANSFORMERS, SWITCHGEARS, FOR OPERATION OF OFF CIRCUIT TAP-CHANGERS, ON-LOAD TAP CHANGERS ON TRANSFORMERS AND MOTOR DRIVERS FOR THE CONSTANT OPERATION, SECURITY AND MAINTENANCE OF ...

Machines and installations constructed therefrom for surface treatment, namely, for cleaning, activating and coating, and for the treatment of work pieces, all using atmospheric plasma and low-pressure plasma, namely, compressor cleaning machines, gas compressors, painting machines, powder-coating machines, surface conditioning machines, power-operated sprayers and machine parts, namely, nozzles which are parts of power-operated sprayers, spray valves, mixing chambers