[Class : 1] Preparations And Cultures Of Microorganisms Other Than For Medical And Veterinary Use, Additive Used In Water And Waste Water Treatment, Additive Used In Purification, Softening, Sterilizers And Cooling Treatment.
[Class : 11] Water Treatment Plant Installation, Water And Waste Water Treatment Installation, Water Purification Installations, Water Purifying Apparatus And Machines, Water Softening Apparatus And Installations, Water Sterilizers, Water Supply Installations And Cooling Installations For Water, Grey Water Treatment Plant, Sewage Treatment Plant Installation And Effluent Tre...