7
electric machines and apparatus for the production of energy; gas and steam turbines; electric motors for machines; uninterruptible power supplies [machines] for the generation of electrical energy; generators; power installations (generators); electric welding machines, apparatus and instruments; components for the aforesaid machines, apparatus and instruments
9
electric apparatus for the conducting, switching, transforming, accumulating, regulating or controlling the distribution and use of energy; transformers; rectifiers; mutators; converters; high-frequency apparatus and instruments; communications apparatus and instruments; radiation transformer apparatus; electric regulating and control apparatus, in particular apparatus for synchronization of electric quantities and circuit breakers; power circuit breakers; automatic voltage regulators; static voltage regulators; turbine voltage regulators; sync generators; electric regulating and control apparatus, in particular apparatus for synchronization and paralleling of generators with power lines; measuring and metering apparatus and instruments; computer software; components for the aforesaid apparatus and instruments