Agricultural machines, namely, toothed harrows, rotary harrows, rotary tillers, ploughs, cultivators, pulverizers, stubble ploughs, soil mixers, tillers, soil decompactors, tractor towed agricultural implements, namely, land-packing rollers; combination machines for working the soil in the nature of combined tilling and seed sowing machines; seed sowers and structural parts therefor; haymaking machines in the nature of grass mowers, grass mower conditioners, aerator mowers, grass tedders, win...