U.S. federal trademark · Serial No. 79142049 · Reg. No. 4669186
Water treatment installations and apparatus, namely waste water treatment tanks, water flotation units; water purifying apparatus and installations; water softening apparatus and installations; apparatus and installations for treating water by flotation; chemical units for water treatment, namely chemical flotation units; installations for purifying industrial waste water; water purification installations for the treatment of sludge by flotation, installations for treating sludge using a flotation method
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