7
Activated carbon filters (parts of machines); Powdered activated carbon filters (parts of machines); Granular activated carbon filters (parts of machines)
11
Apparatus and installations (fixed or mobile) for the treatment of water; Apparatus and installations (fixed or mobile) for the filtration of water; Apparatus and installations (fixed or mobile) for the purification of water; Apparatus and installations (fixed or mobile) for making water drinkable; Apparatus and installations (fixed or mobile) for the treatment, filtration and/or purification of water, and/or for making water drinkable, using an adsorption process; Apparatus and installations (fixed or mobile) for the treatment, filtration and/or purification of water, and/or for making water drinkable, using a non-membrane mechanical filtration process; Apparatus and installations (fixed or mobile) for the treatment, filtration and/or purification of water, and/or for making water drinkable, using a process involving activated carbon recirculation; Activated carbon filters (parts of industrial installations); Powdered activated carbon filters (parts of industrial installations); Granular activated carbon filters (parts of industrial installations); Activated carbon filters for the treatment of water; Activated carbon filters for the filtration of water
37
Installation, upkeep, maintenance and repair of apparatus, devices and installations (fixed or mobile) for processing, purifying, filtering water and/or making it drinkable
40
Treatment, purification, filtration of water and/or making it drinkable