DIFF Subgroup
A01F 29/22 Arrangement of knife sharpening devices
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Cutting apparatus specially adapted for cutting hay, straw or the like > Details > Arrangement of knife sharpening devices
CPC:
Cutting apparatus specially adapted for cutting hay, straw or the like (mowers combined with means for cutting up the mown crop A01D43/08) > Details > Arrangement of knife sharpening devices
No child classifications to compare. This is a leaf node in both IPC and CPC.