CPC Subgroup
B25B 27/22 positioning sprocket chains, endless tracks, antiskid chains (tools or implements for repairing chains using metal-working operations B21L21/00)
Full Title
Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for (machines for simply fitting together or separating metal parts or objects B23P19/00) > for assembling objects other than by press fit or detaching same > positioning sprocket chains, endless tracks, antiskid chains (tools or implements for repairing chains using metal-working operations B21L21/00)