DIFF Subgroup
A01B 3/26 without alternating possibility
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Ploughs with fixed plough-shares > Tractor-drawn ploughs > without alternating possibility
CPC:
Ploughs with fixed plough-shares > Tractor-drawn ploughs (A01B3/04 takes precedence) > without alternating possibility
No child classifications to compare. This is a leaf node in both IPC and CPC.