CPC Subgroup
B31B 50/07 by air pressure or suction
Full Title
Making rigid or semi-rigid containers, e.g. boxes or cartons > Feeding or positioning sheets, blanks or webs > Feeding sheets or blanks > by air pressure or suction
B31B 50/07 Making rigid or semi-rigid containers, e.g. boxes or cartons > Feeding or positioning sheets, blanks or webs > Feeding sheets or blanks > by air pressure or suction