CPC Subgroup
B07B 13/05 using material mover cooperating with retainer, deflector or discharger (B07B13/065 - B07B13/075 take precedence)
Full Title
Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices (grading eggs A01K43/04) > according to size > using material mover cooperating with retainer, deflector or discharger (B07B13/065 - B07B13/075 take precedence)