01
Water purifying chemicals; chemical preparations for use in
water treatment; water treatment preparations (chemical);
chemical preparations for aiding water quality; chemical
preparations for the treatment of water; chemicals for use
in swimming pools (other than disinfectants); chemical
products for the treatment of water; chemical products for
use in the treatment of water; chemicals for use in the
treatment of water
05
Mixtures of ozone and oxygen for medical use
07
Machines for water filtering; water filtering machines;
swimming pool cleaning apparatus; swimming pool cleaning
machines; mechanical filters for the treatment of water
09
Apparatus for producing ozone; ozone monitors, other than
for medical use; ionization apparatus for use in the surface
treatment of materials; devices for use in the
electrochemical treatment of liquids
11
Installations for water purifying; water purifying apparatus
and machines; water purifying installations; water purifying
machines; water purifying or treatment apparatus,
installations and machines, utilizing magnets; appliances
for water filtration (other than machines); electrostatic
filters for water filtration; installations for water
filtration; water filtration apparatus; water filtration
installations; installations for purifying water; machines
for processing (purifying) water; machines for purifying
water; machines for water filtering (purifying); water
filtering apparatus; water filtering apparatus for domestic
use; water filtering installations; ionisers for water
treatment; installations for the treatment (clarifying) of
water; installations for the treatment of water used in
swimming pools; water purification installations; waste
water treatment apparatus; water treatment apparatus for
water purification; water treatment filters; water treatment
units; ionizers for the treatment of water; ionization
apparatus for the treatment of air or water; ionization
instruments for the treatment of air or water; water
ionization apparatus; filters for swimming pools; filters
for use with swimming pools; water treatment apparatus;
installations for water filtering; installations for water
purification; installations for water treatment under
osmotic process; installations for the treatment of liquids;
electrolytic ozone generating apparatus
40
Treatment of water; treatment of liquids