Apparatus and instruments for science, research, detection, testing, inspection; apparatus and instruments for conducting, interrupting, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; electrolyzers; electrical measuring instruments; electrical apparatus for controlling electrical power; electrical apparatus for remote ignition; electrical and electronic monitoring equipment, other than for medical purposes; gas analyzers; air analyzers; heat control equipment; electrical equipment for remote control of industrial operations in industrial plants; boiler control equipment; control panels [electricity]; distribution panels [electricity]; galvanic batteries; downloadable computer programs; computer programs, recorded; electric accumulators of steam.

Boilers; burners for boilers; air purification equipment and machinery; regulating and safety accessories for gas appliances; steam generating equipment; water heaters; water heaters [apparatus]; water treatment equipment and systems; heat recovery equipment; scrubber columns and scrubber towers for purifying gases; recuperators for preheating combustion air in heating systems by means of hot flue gas; gas generating or gas conditioning apparatus and gas generating plants composed of these articles; gas condensers [excluding machine parts]; gas scrubbers [parts of gas installations]; ignition apparatus for gas furnaces; regulating and safety accessories for gas pipelines; steam accumulators; air filtration equipment; electric heating elements; heaters; heating fittings; gas boilers; burners; spirit burners; gas burners; water boilers; regulating accessories for gas pipes; thermoreactors for power generation; gas lighters [lighters], namely friction lighters for gas ignition; safety accessories for water or gas appliances and tubes [included in this class]; electric heating apparatus; apparatus for cooling air; evaporators; steam boilers for the production of steam [other than as parts of machines]; air heaters; heat pumps; heat accumulators [parts of heating apparatus]; heat accumulators; filters for industrial and domestic use.