1
Chemical products used in industry and science; Chemicals used in industry; Chemical compositions for water treatment; Chemicals for the water purification industry; Flocculants; coagulants; Chemical coagulants for purifying water; Sanitation chemicals for purifying water; Defoaming agents
7
Machines for use in the processing of water; Drain cocks; Filtering machines; Cartridges for filtering machines
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Water purifying units for producing potable water; Water mixing appliances; Water purifying apparatus; Water filters; Water softening units; Water sterilizers; Water ionizers; Water sterilizers; Water treatment apparatus for water softening; Filters for water purifiers; Water conditioning units; Water purification units; Water conditioning apparatus; Water softening installations; Water filtering apparatus; Water purification tanks; Water distilling units; Filters for water purifiers; Apparatus for decalcifying water; Water conditioning apparatus; Water conditioning apparatus; Water purifying installations; Water desalinating apparatus; Apparatus for filtering drinking water; Water sterilizers; Water disinfection apparatus; Water purifiers for industrial use; Desalination plants; Water softening apparatus and installations; Water purifying apparatus and machines; Water filters [installations] for agricultural purposes; Water filters [installations] for agricultural purposes; Installations for water treatment under osmotic process; Water filtering apparatus for industrial use; Chemical sterilization units [water treatment equipment]; Membrane purifying apparatus for the purification of water; Cartridge filtration units [water treatment equipment]; Electrostatic filters for water filtration; Chemical installations for conditioning drinking water; Air cleaning apparatus; Ionization apparatus for the treatment of air or water