Agricultural machines; Agricultural machines for cultivating; Agricultural machines for ground cultivation; Agricultural machines for soil working; Agricultural machines for sowing; Cultivators for use in agriculture; Grain drill; Implements for tillage; Machines for agricultural use; Machines for use in agriculture; Tilling implements for agricultural use; Tillers (machines for towing behind vehicles); Tilling machines; Towable agricultural machines; Apparatus for the handling of materials; Handles being parts of mechanically operated tools; Implements for tillage; Machine tools for agricultural use; Machines for sowing; Mechanical control apparatus for agricultural machines; Seed drills (machines); Seed drills (parts of machines); Sowing machines; Sowers (machines); Sowing machines for towing behind tractors