74548616
Jul 1, 1994
industrial installations, and municipal waste water treatment installations, for the separation of liquids and solids, comprising - drum filters, horizontal filters, filter presses, membrane filters, liquid level control attachments for filters, filter fabrics, sewage ejectors, pumps, conditioning tanks, dissolved air flotation units, compressors, thickeners, collectors, chemical feeders, ejector stations, dryers, spray dryers, fluid bed dryers, blenders and centrifuges
Environmental Control Apparatus