CPC Subgroup
F16G 15/02 for fastening more or less permanently
Full Title
Chain couplings, Shackles; Chain joints; Chain links; Chain bushes (making chain elements B21L) > for fastening more or less permanently
F16G 15/02 Chain couplings, Shackles; Chain joints; Chain links; Chain bushes (making chain elements B21L) > for fastening more or less permanently