CPC Subgroup
B31B 50/684 Full Title
Making rigid or semi-rigid containers, e.g. boxes or cartons > Uniting opposed surfaces or edges; Taping > by stitching, stapling or riveting
B31B 50/684 Making rigid or semi-rigid containers, e.g. boxes or cartons > Uniting opposed surfaces or edges; Taping > by stitching, stapling or riveting