LONGERTEK

Refrigerating appliances and installations; refrigerating machines; cooling evaporators; refrigerators; ventilation hoods; air cooling apparatus; air conditioning installations; air filtering installations; air purifying apparatus and machines; filters for air conditioning; fans for air conditioning apparatus; air conditioners for vehicles; heaters for vehicles; air conditioning apparatus; evaporators for air conditioners; heating apparatus for vehicles; hot-air space heating apparatus for industrial purposes; radiator caps; heating apparatus for solid, liquid or gaseous fuels; heating elements; hot plates; heat pumps; humidifiers for central heating radiators; heating radiators; radiators, electric

Heating equipment installation and repair; electric appliance installation and repair; air conditioning apparatus installation and repair; machinery installation, maintenance and repair; freezing equipment installation and repair; interference suppression services for electrical apparatus; motor vehicle maintenance and repair; airplane maintenance and repair; shipbuilding; photographic apparatus repair; clock and watch repair; strong-room maintenance and repair; varnishing; retreading of tires; disinfecting; fire alarm installation and repair