E21C 25/54 Slitting by unguided cutter cables or cutter chains, or by unguided tools drawn along the working face by cables or the like (dislodging by planing means E21C27/32; propulsion by haulage cables E21C29/14)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Slitting by unguided cutter cables or cutter chains or by unguided tools drawn along the working face by cables or the like
CPC: Slitting by unguided cutter cables or cutter chains, or by unguided tools drawn along the working face by cables or the like (dislodging by planing means E21C27/32; propulsion by haulage cables E21C29/14)
Full Title
Full titles differ between systems:
Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam > Slitting by unguided cutter cables or cutter chains or by unguided tools drawn along the working face by cables or the like
Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam (dislodging machines with slitting means E21C27/02, E21C27/10, E21C27/18) > Slitting by unguided cutter cables or cutter chains, or by unguided tools drawn along the working face by cables or the like (dislodging by planing means E21C27/32; propulsion by haulage cables E21C29/14)
No child classifications to compare. This is a leaf node in both IPC and CPC.