Italy and France have a primary position for soil working machines and transportation vehicles.
2.
The final letter makes up the " subclass " ( subclass A01B represents " Soil working in agriculture or forestry; parts, details, or accessories of agricultural machines or implements, in general " ).
3.
Due to its design the wheel may reach variable cutting depths with the same tool, and can keep a constant soil working angle with a relatively small wheel diameter ( which reduces the weight and therefore the pressure to the ground, and the height of the unit for transport ).
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