Filters being parts of filtration machines in the nature of belt filters, namely, multiroll belt presses, gravity belt filters; coated and uncoated filters being parts of filtration machines, and filter cloths and belt filters for use in filtration machines; filter presses, namely, plate and frame, recessed plate, membrane, mixed pack and pressure disc filter presses, all being parts of filtration machines; polishing filters being parts of filtration machines; Filters being parts of filtration machines, namely, pressure leaf filters, horizontal leaf filters, circular leaf filters; Filters being parts of filtration machines, namely, rotary vacuum drum filters, rotary pressure filters, vacuum drum filters; Filters being parts of filtration machines, namely, pan filters, disc filters, vacuum disc filters
Machinery