Filters being parts of filtration machines, and filter cloths and belt filters for use in machines; filter presses for example plate and frame, recessed plate, membrane, mixed pack and pressure disc filter presses; belt filters such as multiroll belt presses, gravity belt filters; pressure leaf filters, horizontal leaf filters, circular leaf filters; rotary vacuum drum filters, rotary pressure filters, vacuum drum filters; pan filters, disc filters, vacuum disc filters; polishing filters; can...