1
Substrates for purifying water, in particular surface water, in particular consisting of a mixture of organic and inorganic materials, in particular for filling seepage channels, seepage basins and seepage water collecting basins; Water treatment preparations; Activated carbon; Adsorbents consisting of activated carbon or containing activated carbon for purifying water, in particular surface water
17
Plastics in extruded form for use in manufacture; Flexible hoses, not of metal
19
Rainwater collection tanks, not of metal; Seepage basins, not of metal; Access covers (Non-metallic -), for use in relation to the following goods: Rainwater collection tanks and Seepage basins; Building materials, not of metal, in particular of plastic and concrete; Pipes of plastic and concrete; Pipe segments [non-metallic]; Seepage basins, of plastic; Seepage water containers and collectors for waste water and rain water, Not of metal, in particular of plastic; Storage tanks [structures], not of metal; Non-metallic water collecting containers, including for sewage and rain water, also water permeable; Drainage pipes and pipelines, not of metal; Drainage installations (Non-metallic -); Infiltration apparatus and drainage cells, in particular for outdoor use, consisting of water-permeable, non-metallic hollow bodies, in particular made of plastic; Rainwater drainage apparatus of plastics materials; Seepage water containers and collectors for wastewater and rain water of plastic; Geotextiles, Fabrics for use in civil engineering (geotextiles); Rainwater reservoirs (Non-metallic -)
20
Reservoirs, not of metal nor of masonry
37
Construction; Assembly, Maintainance services and Repair, in relation to the following goods: Installations for collecting, conducting and purifying water, in particular surface water
40
purification of liquids