CPC Subgroup
B21G 7/08 of split-pins, e.g. cotter-pins
Full Title
Making pins of U-like shape or split-pins (of paper fasteners or staples B21D53/46, B21F45/16) > of split-pins, e.g. cotter-pins
B21G 7/08 Making pins of U-like shape or split-pins (of paper fasteners or staples B21D53/46, B21F45/16) > of split-pins, e.g. cotter-pins