9
Electrical, electronic and measuring apparatus and instruments; electronic control systems; meters; water meters, gas meters; parts and fittings therefor
11
Installations and apparatus for heating, steam generating, drying, water supply, water distribution, water regulation, gas supply, gas distribution, gas regulation, disinfecting and sanitary purposes; irrigation systems; taps, drippers, bubblers, pressure reducing valves, gas and water supply pipes, water conduits, fittings for the joining of water conduits, valves, cocks, spray devices, sprinklers, spike assemblies; filtration systems; filters; parts and fittings therefor
17
Articles made from polymeric materials; non-metallic rigid irrigation pipe fittings, connectors, couplings, valves, cocks, spray devices, sprinklers, spike assemblies, filtration systems, filters, parts and fittings therefor, plastics pipe fittings; goods made from polymers including elastomers; extruded plastics goods; pipes and pipe liners made from polymeric materials