11
Filters for water treatment and water purification
installations; filter systems for water treatment and water
purification installations; filter elements for water
treatment and water purification installations; desiccating
apparatus; refrigerators; apparatus for ventilating; air
conditioning apparatus; air filters; air filtration systems;
air filter elements; particulate air filters; dust filters;
fine particle filters; gas filters; activated carbon
filters; activated carbon filter elements; filters, filter
systems, filter elements for filtering liquids and gases,
being parts of domestic and industrial installations and in
mobile design; air purifiers; air dryer cartridges for
drying and de-oiling gas flows; water filters; water
treatment apparatus; water conditioning units; devices and
apparatus for ion exchange; membranes; polymeric membranes;
ceramic membranes; flat membranes; hollow fibre membranes;
membrane modules; hollow fibre modules; all the aforesaid
goods for water treatment and water purification
installations; wound modules; pipe modules; dive modules;
membrane purifying apparatus for the purification of water;
devices, installations and apparatus for treating,
conditioning, purifying and filtering water; reverse osmosis
elements for reducing the brackishness of water for
industrial and household purposes; filters for drinking
water; water purifying units for producing potable water;
liquid distribution devices
24
Filtering materials of textile; filtering materials of
non-woven fabrics, textile and metal mesh; filtering
materials of textile
37
Commissioning, installation, operation, maintenance and
repair of filters and filter installations; commissioning,
installation, operation, maintenance and repair of water
treatment and water purification installations;
commissioning, installation, operation, maintenance and
repair of environmental protection systems; cleaning of play
areas and sports facilities, in particular of sandboxes,
running tracks and lawns, in particular artificial turf
pitch