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PCE
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DIFF Subgroup
A01B 3/22

with parallel plough units used alternately

Introduced: September 1968

Full Title

Ploughs with fixed plough-shares > Animal-drawn ploughs > Alternating ploughs, i.e. capable of making an adjacent furrow on return journey > with parallel plough units used alternately

No child classifications to compare. This is a leaf node in both IPC and CPC.