[Class : 7] Packing Machines, Filter Presses, High Pressure Pumps, Filter Housings Being Parts Of Engines, Filter Housings Being Parts Of Machine, Strainers (Electric), Machines And Machine Tools, Motors And Engines (Except For Land Vehicles).

[Class : 40] Waste Water Treatment, Water Treatment, Services For Sewage Treatment.

[Class : 11] Septic Tanks, Toilet Tanks, Membranes For The Filtration Of Water, Sink Strainers (Plumbing Fittings), Water Treatment Filters, Sewage Treatment Plant, Water Softener, Ventilation Apparatus And Installations, Separators For Purifying Air, Cooling Tower, Gas Scrubbers

[Class : 6] Metal Water Tanks, Roofing Membranes Of Metal, Nozzles Of Metal, Common Metals And Their Alloys, Metal Building Materials, Transportable Buildings Of Metal.

[Class : 11] Septic Tanks, Toilet Tanks, Membranes For The Filtration Of Water, Sink Strainers (Plumbing Fittings), Water Treatment Filters, Sewage Treatment Plant, Water Softener, Ventilation Apparatus And Installations. Separators For Purifying Air, Cooling Tower, Gas Scrubbers.

[Class : 40] Waste Water Treatment, Water Treatment, Services For Sewage Treatment.

[Class : 1] Chemicals Used In Industry, Science And Photography, Activated Carbon, Polyethylene Resins. Ion Exchange Resins, Water Treatment Agents, Filtering Media.

[Class : 17] Synthetic Resins, Polymeric Membranes, Mineral Wool For Use In The Manufacture Of Filter Media, Rubber Lining For Machines, Grinding Mills, Concrete Mixers And Other Goods For Wear Resistant Purposes; Rubber Sheets And Other Moulded Rubber Products.

[Class : 9] Ozonators, Flow Meters, Ph Meters, Electrostatic Interference Eliminators, Drift Eliminators, Scientific, Nautical, Surveying, Photographic, Cinematographic, Optical, Weighing, Measuring, Signaling, Supervision Apparatus And Instruments.

[Class : 17] Synthetic Resins, Polymeric Membranes, Mineral Wool For Use In The Manufacture Of Filter Media, Rubber Lining For Machines, Grinding Mills, Concrete Mixers And Other Goods For Wear Resistant Purposes; Rubber Sheets And Other Moulded Rubber Products.

[Class : 1] Chemicals Used In Industry, Science And Photography. Activated Carbon, Polyethylene Resins. Ion Exchange Resins, Water Treatment Agents, Filtering Media.

[Class : 9] Ozonators, Flow Meters, Ph Meters, Electrostatic Interference Eliminators, Scientific, Nautical, Surveying, Photographic, Cinematographic, Optical, Weighing, Measuring, Signaling, Supervision Apparatus And Instruments.

[Class : 7] Packing Machines, Filter Presses, High Pressure Pumps, Filter Housings Being Parts Of Engines,'Filter Housings Being Parts Of Machine, Strainers (Electric), Machines And Machine Tools, Motors And Engines (Except For Land Vehicles).