[Class : 11] Water Purification Installations, Water Purifying Apparatus And Machines, Namely Filters For Drinking Water, Water Filtering Apparatus, Iron Removal Apparatus, Disacidification Apparatus, Demagnetizations Apparatus, Precipitation Apparatus, Hardening Apparatus And Degassing Apparatus, Apparatus For Filtration Of Chemical Liquids, Ion Exchangers For Conditioning Or And Purifying Of Water And Chemicals Liquid, Parts Of Complete Structures For River Water Intake By Means Of Siphon Pipes Or Pumps Namely Coarse Screens, Fine Screens, Or Drum Sieves, Pumps, Sedimentation Tanks, R API D Filters, Parts Of Complete Chemical Dosing Stations Consisting Of Dissolving Tanks And Sedimentation Tanks; Dosing Apparatus And Storage Tanks, Discharging And Transporting Devices For Chemicals; Sedimentation Apparatus For Process Water; Wastewater Treatment Plants For Domestic And Industrial Wastewater, Plants With Biological Aerated Filters, Membrane Filter Plants, Bioreactors For Purification Of Industrial Wastewater, Process Water Treatment Plants For Treatment Plants For Treatment Of Fresh And Recycled Water; Drinking Water Treatment Plants For Treatment Of Surface Water And Groundwater, Multi Barrier Systems; Sea And Brackish Water Desalination Plants; Evaporators, Evaporation Plants; Driers For Industrial Purposes, Fluidized Bed Driers, Sludge Drying Apparatus , Sludge Treatment Plants