cooling appliances and installations; cooling apparatus; appliances for heating; cooling installations; electrical appliances for heating; heating furnaces; cooling installations and machines; heating units; air cooling apparatus; cooling installations for gas; air cooling devices; heating filaments, electric; cooling installations and freezers; air heating furnaces; heating elements; heating boilers; apparatus for air cooling; heating installations; apparatus for cooling air; coils for heating; heating apparatus; heating elements, electric; heating installations for industrial purposes; heating furnaces for industrial use; hot air heating apparatus; electrical apparatus for heating; dampers [heating]; air heating apparatus; heating installations for industrial use; heating apparatus for furnaces; devices for cooling air; industrial heating furnaces; apparatus for heating; combination apparatus for cooling and freezing; flues for heating apparatus; electric heating elements; environmental control installations for the purposes of cooling; devices for air cooling; environmental control apparatus and installations for the purposes of cooling; furnaces for central heating; electrical heating elements; environmental control apparatus for the purposes of cooling; fuel cell cooling pumps [heat sinks]; heating apparatus, electric; industrial heating installations; environmental control installations for cooling purposes; electric heating filaments; heating rods; environmental control apparatus for cooling purposes; heating apparatus and installations; air heating apparatus for industrial use; combined heating and air-conditioning apparatus; electric heating apparatus; coolers, electric; air heaters; electric space cooling apparatus; axial fans for air conditioning; electric space cooling apparatus for household use; ventilating fans; ventilating fans for industrial purposes