9
Physical, electric and electronic measuring, control and regulating apparatus, and control valves for heating installations and heating regulators; pressure indicator plug for valves; regulating valves; data carriers of all types; computer software; electric and electronic installations for remote control of heating, ventilating, air - conditioning, water supply and steam generating installations; signalling apparatus
11
Oil burners, gas burners as well as their parts, oil burners and gas burners for boilers, water heaters, atmospheric gas burners as well as gas boilers functioning with atmospheric gas burners, power stations heating including boilers, heat accumulators, gas and liquid burners, central- heating boilers, bath heaters, water heaters, electric water heaters, heating boilers, gas boilers, electric boilers, household boilers, radiators, convectors, heating apparatus for solid, liquid or gaseous fuels, electric heating apparatus, shower baths, electric shower baths, baths, bath tubs, hydromassage, bathtubs, heat generators, heating plates, hot plates, shower bases, showers, hot air apparatus, hot air bath fittings, cubicles and shower boxes, air conditioning apparatus, sauna bath installations, heat pumps, wash hand basins, wash hand bowls, apparatus for heating, ventilating, water supply and sanitary purposes, solar collectors (heating), tap fittings, hot water production apparatus, sanitary installations; water heaters, mainly consisting of heat exchangers and reservoirs
37
Installation, assembly, maintenance and repair of heating, ventilating, water-supply and air- conditioning installations