DIFF Subgroup
E21C 25/62 Machines for making slits approximately perpendicular to the seams either level with, or above or below the level of, the machine
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam > Machines for making slits approximately perpendicular to the seams either level with, or above or below the level of, the machine
CPC:
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) > Machines for making slits approximately perpendicular to the seams either level with, or above or below the level of, the machine
No child classifications to compare. This is a leaf node in both IPC and CPC.