9
Computer software; Computer hardware; Monitoring computer software for digital monitoring of the current status of installations, apparatus and instruments; Measuring, controlling and regulating devices and apparatus, Especially Inspecting and monitoring apparatus for mechanical and technical equipment and apparatus, including the following products: Level meters, Liquid level switches, Flow measuring apparatus, Solids flowmeters, analysis measuring apparatus, Temperature gauges, Measurement value recording machines, including measuring transducers, Scales, Actuator drives for control and regulating apparatus; Data communication terminals
11
Purification installations for sewage; Installations for the treatment of waste water, rain water, storm water, including settling pipes, settling tanks, settling pits, separators and water-supplying fittings; Filters [parts of household or industrial installations]; Water filters; Water-supplying fittings and water separators being parts for rain water storage installations; Water filters, Water-supplying fittings and water separators being parts for rain water storage installations
17
Pipe couplings and fittings, all not of metal; Rings of rubber; Seals, sealants; Caulking materials; Sealing rings and sealing strips; Sealing materials; Filtering materials [semi-processed foams or films of plastic]; Flexible hoses, not of metal; Filters and filtering materials of plastic, included in class 17
19
Building materials (non-metallic) and non-metallic rigid pipes, In particular drain pipes, Drainpipes, Water pipes, Branch pipes, Railings, Shafts, Manhole covers, Manhole covers, Railings, Tanks of masonry (included in class 19); Drain traps (valves), not of metal or plastic, for drainpipes or water conduits; Geotextiles; Accessories for the aforesaid goods, included in class 19
24
Filter bags, of the following materials: Textiles