6
Pipes of metal for water and air purification installations, distribution, spraying of liquids and particularly water; trougs of metal; steel tubes and pipes; non-mechanical reels and winding spools of metal for flexible hoses
7
Machines, namely steam engines, machine tools, compressed air machines, bellows, compressed air condensers, regulators (parts of machines), feedwater regulators; pulverisers (machines), liquid pulverisers, liquid droplet pulverisers, automatic pulverisers; cleaning or disinfecting appliances utilising steam; blowing machines for the compression, exhaustion and transport of gases; current-generators, generators of electricity; injectors for engines
9
Sensors for measuring humidity, odour sensors (detectors), chemical sensors
11
Air and water purifying apparatus and machines; apparatus for deodorising air, namely apparatus for hydrating organic foodstuffs; apparatus for hydrating food through spraying (distribution), namely disinfecting apparatus; deodorising apparatus, not for personal use; devices for cooling gas and in particular air; air filters; air conditioning installations, air filtering installations, air purifying installations, water purification installations; sterilisers, air sterilisers, water sterilisers; disinfectant dispensers; light diffusers, lighting apparatus and installations; drip irrigation emitters (irrigation fittings), diffusers for liquids and gaseous fluids, in particular in the form of liquid droplets; watering machines; anti-splash tap nozzles, fountains; refrigerating apparatus and machines, refrigerating appliances and installations, cooling appliances and installations; cooling installations and machines; humidifiers, air and gaseous fluid humidifiers for the conservation of foodstuffs; regulating and safety accessories for gas pipes; gas condensers, other than parts of machines; gas generators, steam boilers, other than parts of machines
19
Pipes not of metal for water and air purification installations, distribution, spraying of liquids and particularly water
37
Assembly of apparatus for conditioning, spraying, nebulisation and diffusion of air, liquids and gaseous fluids; installation and repair of air-conditioning apparatus, installation and repair of irrigation devices, installation and repair of apparatus for refrigerating, installation, maintenance and repair of machines; installation and repair of sprays, installation and repair of apparatus for the diffusion and monitoring of air, liquids and gaseous fluids
42
Computer programming; computer software design; scientific and technological services in the field of air and liquids, in particular water and gaseous fluids; research and design services in the field of air, liquids, particularly water, and gaseous fluids; mechanics research; industrial analysis and research services; quality control in the field of air, liquids, particularly water, and gaseous fluids; bacteriological research, chemical research; technical studies in the field of diffusion and spraying; analysis and monitoring of air and gaseous fluids