1
Chemicals used in industry; Chemicals for treating, clarifying, softening, desalinating, purifying, deacidifying, disinfecting, filtering and testing water; Filtering materials [chemical, mineral, vegetable and other unprocessed materials]; Chemicals for cleaning membrane filtration installations
5
Disinfectants; Preparations for destroying weeds and bacteria
9
Scientific, optical, dispensing, weighing, measuring, signalling and checking (supervision) apparatus and instruments; All of the aforesaid goods being apparatus for water treatment, in particular for water purification, deacidification, deferrisation, sterilisation, demanganisation, softening, decalcification, desalination and filtration; Physical and chemical apparatus for filtering and dosing solid, paste, liquid and gaseous media; Components and fittings for the aforesaid goods, included in class 9
11
Water filtering apparatus and Water filtration installations; Membrane purifying apparatus for the purification of water; Membranes for purifying water; Membranes for filtering water; Apparatus for heating, steam generating, cooking, refrigerating, drying, ventilating and water supply purposes, in particular installations, apparatus and parts therefor for treating water, for treating process water, for treating product water, for obtaining ultrapure water, for treating cooling water and boiler water, for treating district heating water, for treating hot water, for treating rinsing and cleaning water; Installations and apparatus for water purification, deacidification, deferrisation, sterilisation, demanganisation, softening, decalcification, desalination and filtration; Water treatment plants and apparatus, in particular for the reverse osmosis process
40
Water treatment, in particular water deacidification, water purification, including biological water purification, water deferrisation, sterilisation, demanganisation, softening, decalcification, desalination and filtration
42
Services in the field of science and technology and research and development related thereto; Technical consultancy relating to the design, construction, operation, maintenance of installations and apparatus for treating water, and replacement parts and components therefor; Industrial analysis and research services; In particular the aforesaid services in the field of water treatment, in particular water deacidification, purification, deferrisation, sterilisation, demanganisation, softening, decalcification, desalination and filtration