E21C 25/60 Slitting by jets of water or other liquid (picks with arrangement of fluid-spraying nozzles E21C35/187; distribution of spraying fluids in rotating cutter-heads E21C35/23)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Slitting by jets of water or other liquid
CPC: Slitting by jets of water or other liquid (picks with arrangement of fluid-spraying nozzles E21C35/187; distribution of spraying fluids in rotating cutter-heads E21C35/23)
Full Title
Full titles differ between systems:
Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam > Slitting by jets of water or other liquid
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 jets of water or other liquid (picks with arrangement of fluid-spraying nozzles E21C35/187; distribution of spraying fluids in rotating cutter-heads E21C35/23)
No child classifications to compare. This is a leaf node in both IPC and CPC.