U.S. federal trademark · Serial No. 79140644 · Reg. No. 4519834
Installations for the treatment of waste water, drinking water and service water (mainly consisting of [ sedimentation, flotation and precipitation beds, sand filters, ] apparatus for introducing gases, [ chemicals and activated carbon into water, water storage basins, ] pipelines, measuring, regulating and monitoring apparatus), devices for introducing carbon dioxide into waste water, drinking water and service water [, filters for the aforesaid equipment, apparatus and installations ]
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