DIFF Subgroup
A01B 3/10 Trussed-beam ploughs; Single-wheel ploughs
Introduced: September 1968
Full Title
Ploughs with fixed plough-shares > Animal-drawn ploughs > without alternating possibility, i.e. incapable of making an adjacent furrow on return journey > Trussed-beam ploughs; Single-wheel ploughs
No child classifications to compare. This is a leaf node in both IPC and CPC.