Ploughs with fixed plough-shares

8 direct subcodes

Child Classifications

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A01B 3/02 Man-driven ploughs
A01B 3/04 Animal-drawn ploughs
A01B 3/24 Tractor-drawn ploughs (A01B3/04 takes precedence)
A01B 3/36 Ploughs mounted on tractors
A01B 3/46 Ploughs supported partly by tractor and partly by their own wheels
A01B 3/50 Self-propelled ploughs
A01B 3/64 Cable ploughs; Indicating or signalling devices for cable plough systems
A01B 3/74 Use of electric power for propelling ploughs