4
Alcohol (fuel); Petrol; Lignite; Fuel gas; Firewood; Combustible oil; Methylated spirit; Fuel with alcoholic base; Fuels; Vaporized fuel mixtures; Combustible briquettes; energy; Electrical energy; Gas oil; Gasoline; Heating oil; Wood briquettes; Charcoal [fuel]; Kerosene; Coal; Coal dust [fuel]; Coke; Motor fuel; Mineral fuels; Additives, non-chemical, to motor-fuel; Oil gas; Paraffin; Petroleum (raw or refined); Petroleum ether; Coal oil; Coal tar oil; Peat [fuel]; Peat briquettes (fuel); Solidified gas (fuel)
7
Dynamo brushes; Dynamo belts; Dynamos; Bicycle dynamos; Electric generators; Regulators [parts of machines]; Belts for machines; Machine fly-wheels; Reels (parts of machines); Stators [parts of machines]; Control mechanisms for machines, engines or motors; Control cables for machines, engines or motors; Current generators; Turbines other than for land vehicles; Transmission shafts (other than for land vehicles); Heat exchangers [parts of machines]; Hydraulic turbines; Motors and engines (except for land vehicles)
9
Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; Accumulators, electric; Batteries, electric, for vehicles; Battery jars; Accumulator boxes; Ammeters; Anodes; Anode batteries; Junction boxes (electricity); Electrical connecting parts for electric conduits; Indicators (electricity); Batteries, electric; Limiters [electricity]; Self-regulating fuel pumps; Choking coils (impedance); Pressure measuring apparatus; Electric installations for the remote control of industrial operations; Electric transformers; Electric wires; Electric cables; Electric capacitors; Electromagnetic coils; Binoculars; Galvanic cells; Galvanic batteries; Galvanizing apparatus; Galvanometers; Electroplating apparatus; Printed circuits; Cable ducts (electric); Identification threads for electric wires; Identification sheaths for electric wires; Clamps for wires (electricity); Sheaths for electric cables; Contacts, electric; Contacts, electric, of precious metal; Regulating apparatus, electric; Gasoline gauges; Conductors electric; Conduits (electric); Magnetic data carriers; Magnetic wires; Magnets; Disks (magnetic); Solenoid valves (electromagnetic switches); Material for electricity mains (wires, cables); Meters; Measuring devices (electric); Ohmmeters; Relays, electric; Plugboards; Switches; Switches, electric; Electric apparatus for commutation; Distribution consoles (electricity); Control panels [electricity]; Battery chargers; Voltmeters; Coils, electric; Current limiters for lighting apparatus; Current rectifiers; Electricity conduits; Conductor rails for spotlights; Circuit closers; Ammeters; Circuit breakers; Electric loss indicators; Converters, electric; Inverters (electricity); Temperature indicators; Variometers; Junction sleeves for electric cables; Connectors [electricity]; Heat regulating apparatus; Components for converting electrical energy into mechanical energy; Electrical control devices for heating and energy management; Energy controlling devices; Energy regulators; Energy accumulators; Solar energy collectors for electricity generation; Generators for the production of solar energy; Generators for energy production or transformation; Devices for measuring thermal energy; Devices for measuring electrical energy; Uninterruptible energy supply for conducting electrical energy; Uninterruptible energy supply for accumulating electrical energy; Uninterruptible energy supply for the transformation of electrical energy
11
Processing installations for fuel and nuclear moderating material; Brackets for gas burners; Acetylene burners; Burners; Germicidal burners; Fuel economisers; Steam generating installations; Steam boilers (other than parts of machines); Steam accumulators; Kiln furniture (supports); Loading apparatus for furnaces; Gas burners; Gas generators; Gas boilers; condensers (gas- ) [other than parts of machines]; Hot air apparatus; Water heaters; Heating elements; Fan heaters; Radiators (heating); Heating apparatus; Heating installations; Heaters for vehicles; Nuclear reactors; Oxhydrogen burners; Coolers for furnaces; Level controlling valves in tanks; Oil burners; Petrol burners; Radiators, electric; Regulating and safety accessories for gas apparatus; Regulating and safety accessories for gas pipes; Regulating and safety devices for water apparatus; Regulating accessories for water or gas apparatus and pipes; Boiler pipes [tubes] for heating installations; Coils (parts of distilling, heating or cooling installations); Solar collectors [hearing]; Solar furnaces; Feeding apparatus for heating boilers; Alcohol burners; Thermostatic valves (parts of heating installations); Incinerators; Evaporators; Heat pumps; Heat regenerators; Heat accumulators; Heat exchangers; Water heaters (apparatus); feed water heater; Water heating installations; Cooling installations for water; Water conduit installations; Central heating radiators; Heat pumps for energy conversion; Power stations for the production of renewable energy; Power plants; Power stations for the use of renewable energy; Solar energy collectors for heating; Solar energy powered heating apparatus; Heat storage apparatus for heating; Heat storage apparatus (solar energy) for heating; Instruments for heat storage apparatus for heating
35
Business consultancy in the field of energy; Import-export agencies in the field of energy
39
Supply and distribution of electrical energy, gas or water; Supplying consumers with electrical energy, heating, gas and water; Electricity distribution; Distribution of energy; Forwarding of electrical energy, gas and water
40
Generation of energy; Production of power from solar energy; Electricity generation; Rental of generators
42
Architectural consultancy; Research physics; Consultation in environment protection; Consultancy relating to energy efficiency; Consultancy relating to the use of energy; Development of energy concepts; Energy audits; Consultancy in the field of energy saving; Professional consultancy in the field of the energy efficiency of buildings; Professional consultancy in the field of saving energy; Measurements relating to energy consumption in buildings; Research in the field of energy; Technology consultancy in the field of alternative energy production; Consultancy in the field of energy saving