DORR-OLIVER
machines and installations comprised thereof for processing liquids, solids and gases for general industrial use, namely, [ centrifuges, ] clarifiers, classifiers, cyclones, decanters, dewatering machines, diffusers, [ extraction towers, ] rotary vacuum drum filtering machines, disc filtering machines, pressure belt drum filtering machines, horizontal belt filtering machines, rigid belt filtering machines and pressure filtering machines, flocculators, flotation machines, hydrocyclones, liquid...
Registered · March 21, 1994 · 74502058 ·