IC 011. US 013 021 023 031 034. G & S: Water treatment apparatus, namely, water purification and filtration apparatus, water purification installations, water purification machines, water purification tanks, water purification units, and water purifiers; water treatment units; water treatment filters; water treatment cartridges; apparatus, instruments and installations for filtration, purification, softening, sterilisation, sanitation, sanitisation, desalination, demineralisation, deionisation, electrodeionisation, oxidation and clarification of water; water treatment cartridges for the filtration, purification, softening, sterilisation, sanitation, sanitisation, desalination, mineralisation, deionisation, electrodeionisation, oxidation and clarification of water
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