01
Gas purifying preparations; water-softening preparations;
purification preparations; anti-incrustants; disincrustants;
scale removing preparations, other than for household
purposes; ion exchangers [chemicals]; flocculants;
emollients for industrial purpose; chemicals for swimming
pool purification water; chemicals for contaminated area
purification; aluminium sulfate; phosphorus chloride;
chemicals for water softening
07
Filters for cleaning cooling air, for engines;
aerocondensers; air condensers; de-aerators for feedwater
11
Water purification installations; gas scrubbing apparatus;
air purifying apparatus and machines; water purifying
apparatus and machines; home water purifier; household air
purifier; air cleaner for industrial purpose; industrial
water purification device; hair dryer; cleaning apparatus
for gas; electric boiling-water heater; kettles, electric;
cooling installations for water; ionization apparatus for
the treatment of air or water; carbonization furnace
(industrial); induction water heater; water heaters; water
supply installations; water softening apparatus and
installations; drinking water device; wastewater treatment
tank; chlorination plants for water treatment; lighting
installations; lighting apparatus; light fixtures; light
shades; light fittings; chandeliers; luminaires; wall and
ceiling lights; lightbulbs and fluorescent tubes; uvc led
lighting devices for the sterilization of commercial and/or
household items; uvc lighting devices for the sterilization
of commercial and/or household items; air and water
purifiers; filters for purifying air or liquid; purification
equipment; air filter elements
37
Repair and maintenance of water purifying apparatus; repair
and maintenance of industrial water purifying installation;
maintenance of air and liquid purifiers; installation and
repair of purification equipment; maintenance and repair of
purification equipment; installation and repair of air
purification device; electric appliance installation and
repair; kitchen equipment installation; repair and
maintenance of feed water pump or booster pump; water supply
equipment repair; repair and maintenance of water pollution
control equipment
40
Air purification; water treatment and purification; water
purification equipment rental; custom assembly of air
purifiers and water purifiers for others; water
purification; wastewater treatment; waste reprocessing