CPC Subgroup
E01B 29/26 the fastening means being spikes (E01B29/16 takes precedence; hand-held tools for nail or staple driving or extracting B25C)
Full Title
Laying, rebuilding, or taking-up tracks; Tools or machines therefor (E01B27/00, E01B31/00 take precedence) > Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means (E01B29/02, E01B31/26 take precedence) > the fastening means being spikes (E01B29/16 takes precedence; hand-held tools for nail or staple driving or extracting B25C)