with movement performed by rollers or discs with material passing over or between them, e.g. suction drum, sieve

Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement > with movement performed by rollers or discs with material passing over or between them, e.g. suction drum, sieve

Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement (F26B13/00 takes precedence ) > with movement performed by rollers or discs with material passing over or between them, e.g. suction drum, sieve