[Class : 11] Apparatus For Lighting, Heating, Steam Generating, Cooking, Refrigerating, Chilling, Drying, Ventilating, Water Supply And Sanitary Purposes; Water Treatment Plants, Water Desalination Plants, Power Plants, Energy Storage Plants, Nuclear Power Plants, Sewage Disposal And Treatment Plants; Industrial And Domestic Waste Treatment Plants And Installations; Installations For Waste Water Engineering; Gas Cleaning Plants; Installations For The Treatment Of Effluents; Coal Preparation Plants; Furnaces; Boilers (Other Than Parts Of Machines); Boiler Pipes And Tubes For Heating Installations; Installations Combining Boilers And Steam Generators For Heating; Industrial Ovens; Equipments For Heat Generating, Process Heating, Heat Exchange And Absorption Cooling; Heat Pumps For Energy Processing; Installation For Heat Recovery, Fuel Saving And Fuel Economizing; Vapour Absorption Chillers; Vapour Absorption Machines, Vapour Extraction Installations; Solid Fuel Burners And Stoves; Heat Exchanges; Unfired Pressure Vessels; Refractory Furnaces, Hot Air Blowers, Control Valves For Heating Installations; Steam Valves, Thermostatic Valves (Parts Of Heating Installations); Incinerators, Autoclaves, Water Distillation Units, Water Cooling Towers, Water Conditioning Units, Dripper Irrigation Systems, Comprised Of Valves, Filters And Regulators, Drying Apparatus And Installations, Air Conditioning Apparatus; Air Dryers, Dryers Used For Removal Of Solid, Liquid And Vapour Contaminates From Compressed Air And Gases, Industrial Dryers For Heating And Dehumidifying; Pressurized Sterilizers; Steam Generators, Package Boilers, Combustion Chambers, Electrically Heated Diffusion Furnaces For Industrial Use.