7
Spray guns (machines); Droplet spraying machines; Cleaning appliances utilizing steam; Compressed air condensers; Feedwater regulators; Blowing machines for the compression, exhaustion and transport of gases
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 diffusers (irrigation accessories), Diffusers of liquids and gaseous fluids; Watering machines; Anti-splash tap nozzles, fountains; Humidifiers; Refrigerating apparatus and machines, refrigerating appliances and installations, cooling appliances and installations; Refrigerating appliances and installations; 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; Steam boilers, other than parts of machines; Steam disinfection apparatus
37
Building construction; Air conditioning apparatus installation and repair; Irrigation devices installation and repair; Freezing equipment installation and repair; Machinery installation, maintenance and repair; Installation and repair of spraying machines, liquid droplet diffusers and humidifiers; Installation and maintenance of apparatus for the distribution and control of air, liquids and gaseous fluids