DIFF Subgroup
B24B 21/14 Contact wheels; Contact rollers; Belt supporting rolls
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Machines or devices using grinding or polishing belts; Accessories therefor > for grinding plane surfaces > involving a contact wheel or roller pressing the belt against the work > Contact wheels; Contact rollers; Belt supporting rolls
CPC:
Machines or devices using grinding or polishing belts (for sharpening cutting edges of tools B24B3/00; portable belt-grinding machines B24B23/06); Accessories therefor > for grinding plane surfaces > involving a contact wheel or roller pressing the belt against the work > Contact wheels; Contact rollers; Belt supporting rolls
No child classifications to compare. This is a leaf node in both IPC and CPC.