7
Machines and mechanical apparatus, in particular those used for industrial production, including jet-projecting apparatus, namely jet pumps, jet compressors and jet ventilators, pumps, compressors, ventilators, mixers, condensers, vacuum installations, washers and ice-condenser installations; Machine tools; Motors and engines (except for land vehicles); Agricultural implements other than hand-operated; Incubators for eggs
9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; Control and regulation apparatus and instruments for burners, ovens and flame detectors; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; Switch cabinets; Apparatus and instruments for regulating gas pressure; Data-processing equipment and computers
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, burners, furnace installations, thermal exhaust gas purifiers, residue-incineration installations and evaporation installations; Ventilating exhaust fans; Flares, flare and flame apparatus and instruments
37
Building construction; Repair; Installation services
42
Scientific and technological services and research and design relating thereto; Industrial analysis and research services; Design and development of computer hardware and software