01
Chemicals for use in industry, chemicals for use in the
treatment, clarification, softening, desalination,
purification, deacidification, disinfection and testing of
water
05
Disinfectants, preparations for destroying algae and
bacteria
09
Scientific, optical, dosing, weighing, measuring,
signalling, checking (supervision) apparatus and
instruments, apparatus and instruments for the conducting,
supply, conversion, storage, regulation or control of
electric current; regulating and control apparatus;
apparatus for recording, transmitting or reproducing sound
or images, magnetic data media, data processing apparatus
and computers, all the aforesaid goods being apparatus for
water treatment, in particular for water purification,
deacidification, deferrisation, sterilisation,
demanganisation, softening, decarbonisation, desalination;
physical and chemical apparatus for filtering and dosing
solid, paste, liquid and gaseous media; components and
fittings for the aforesaid goods, included in this class
11
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
purifying, neutralising, de-ironing, disinfecting,
demanganising, softening, decarbonising, desalting water;
water treatment plants and apparatus, in particular for the
reverse osmosis process
40
Water treatment, in particular water deacidification, water
purification, including by biological means, water
deferrisation, sterilisation, demanganisation, softening,
decarbonisation and desalination
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, the aforesaid services in particular
in the field of water treatment, in particular water
deacidification, purification, deferrisation, sterilisation,
demanganisation, softening, decarbonisation and
desalination
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