DIFF Subgroup
B25B 27/12 mounting or demounting piston rings
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Hand tools or bench devices, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for > for connecting objects by press fit or detaching same > mounting or demounting piston rings
CPC:
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 connecting objects by press fit or detaching same > mounting or demounting piston rings
No child classifications to compare. This is a leaf node in both IPC and CPC.