7
Cleaning machines and apparatus; Parts and fittings for the foregoing goods
11
Heat exchangers, not parts of machines; Refrigeration installations; Heating equipment; Water purifying apparatus; Machines for water purification; Equipment and machines for the purification of waste water; Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; Parts and fittings for the foregoing goods
37
Cleaning of heat exchangers, refrigerators and heating installations; Dissemination of information in connection with cleaning of technical equipment and installations, in particular of heat exchangers; Maintenance, installation, servicing, cleaning, refitting, modernising and repair of technical equipment and technical installations, in particular of heat exchangers, refrigerators, heating installations and cleaning apparatus; tube cleaning
42
Material testing; Construction drafting; Technical planning; Technical consultation services; Technical consultancy in the design of heat exchangers, heating installations, refrigerators and cleaning apparatus; Technical consultancy and calculating the efficiency of heat exchangers, heating installations, refrigerators and cleaning apparatus; Technical consultancy in relation to the testing of heat exchangers, heating installations, refrigerators and cleaning apparatus; Technical consultancy in relation to the optimisation of heat exchangers, heating installations, refrigerators and cleaning apparatus; Technical consultancy in relation to the care and maintenance of heat exchangers, heating installations, refrigerators and cleaning apparatus; Technical consultancy in relation to the cleaning of heat exchangers, heating installations and refrigerators; Technical consultancy in the field of energy saving; Computer programming and maintenance of computer programs, In particular in connection with heat exchangers, heating installations, refrigerators and cleaning apparatus; Engineering services; Technical project studies