CPC Subgroup
B21G 3/10 of undulated nails or pins
Full Title
Making pins, nails, or the like (of pins with individual caps B21G5/00; of U-like shape B21G7/00; of split-pins B21G7/08) > of undulated nails or pins
B21G 3/10 Making pins, nails, or the like (of pins with individual caps B21G5/00; of U-like shape B21G7/00; of split-pins B21G7/08) > of undulated nails or pins