01
Inorganic precipitation agents for the purification of
wastewater; chemical compositions for the purification of
wastewater; bacteria for wastewater treatment; bacteria
cultures for wastewater processing; chemicals for wastewater
treatment; fertilizers; inorganic fertilizers; fertilizers
consisting of nitrogen compounds; fertilizers for use in
agriculture; fertilizer preparations; fertilizer
compositions; organic fertilizers; phosphates [fertilizers];
fertilizers containing nitrogen and magnesium; biochemical
catalysts
05
Nutrient solutions for bacteria cultures; nutrient solutions
for bacteria cultures used in wastewater treatment plants;
nutrients for microorganisms, nutrients for microorganisms
used in wastewater treatment plants
11
Osmotic wastewater processing plants; wastewater filtering
apparatus; basins as parts of wastewater plants; filter
units for wastewater; filter boxes for wastewater
purification; units for wastewater filtration [other than
machines]; filtration units for wastewater; ultraviolet
wastewater sterilization units for industrial use; coarse
strainers for wastewater purification; cartridge filtration
units [water processing equipment]; transportable water
processing units; ultraviolet sterilization units [water
processing equipment]; water processing plants; water
processing units; wastewater purification plants; tanks for
wastewater purification plants; sewerage installations;
wastewater purification apparatus; apparatus for wastewater
purification; settler apparatus for wastewater;
transportable units for wastewater treatment; sewage
treatment plants
20
Tanks, not of metal or masonry; containers for liquids [not
of metal, not for household or kitchen use]; container
closures of plastics; storage tanks [containers] not of
metal for water; water tanks [containers], not of metal
37
Maintenance of wastewater treatment plants; septic tank
pumping and cleaning; information services relating to
preventing blockages in small wastewater treatment plants;
information services relating to preventing blockages in
septic tanks; information services relating to preventing
blockages in plumbing lines; information services relating
to the installation of pumps; information services relating
to pipe laying; repair information services; construction
and repair services for modernizing apartments; advice
relating to the repair of environmental control systems;
advice relating to the maintenance of environmental control
systems; advisory services relating to building maintenance;
advisory services relating to the conversion of real estate;
irrigation devices installation and repair; installation of
sewer lines; hygienic cleaning [movable buildings];
installation and maintenance of pipes; installation and
repair of irrigation plants; installation and maintenance of
irrigation systems; installation of septic tanks;
installation of industrial plants; installation of
clarifying basins; installation of environmental systems;
installation, maintenance and repair of machines;
maintenance of pipes; maintenance services; installation and
maintenance of irrigation systems; machine repair; machine
maintenance and repair; assembling [installation] of machine
plants; pumping of septic tanks; pumping of liquids;
cleaning of storage containers; cleaning of storage tanks;
cleaning of water supply lines; cleaning of septic tanks;
cleaning of water tanks; cleaning services; repair or
maintenance of pumps; repair or maintenance of collecting
tanks; repair and maintenance of water pollution control
equipment; repair and maintenance of water purifying units;
repair of pumps; repair of pipes; remediation of drain
pipes; remediation of water supply lines; maintenance for
machines; maintenance or repair of storage tanks;
maintenance and repair of apparatus; maintenance and repair
of collecting tanks; maintenance and repair of drain
gutters, maintenance and repair of apparatus; maintenance
and repair of water purifying plants; maintenance and repair
of hose assemblies which carry liquids; maintenance and
repair of collecting tanks; maintenance and repair of
storage tanks; maintenance and repair of storage containers;
maintenance of pipes; maintenance of hoses; maintenance
services; excavation of underground tanks; cleaning of
tanks; construction advisory services; all services in the
field of wastewater and sewage treatment plants
40
Wastewater processing; treatment of polluted water;
wastewater regeneration; wastewater desalination; rental of
wastewater processing units; rental of wastewater
purification apparatus; wastewater processing; wastewater
processing services; wastewater treatment; wastewater
purification; on-site wastewater purification; sewage
processing; sewage treatment; treatment and purification of
air and water; coating of conduits; coating of pipes;
coating of sewers
42
Consultancy relating to filtration technology; advice in the
field of environmental protection; consultancy services
relating to environmental protection; advisory services
relating to environmental pollution; advisory services
relating to environmental planning; consultancy in the field
of engineering; professional advice relating to water
treatment technology; technical advice relating to pollution
damages; all services in the field of wastewater and sewage
treatment plants