Agricultural machines and machine-tools, implements other than hand tools and machinery for agriculture, livestock farming, horticulture, forestry, gardening and/or pleasure gardening or farming, namely, machines for preparing feed, namely, silage unloaders, feed mixers, silage mixer-feeders, silage unloader-feeders, silage unloader-mixer-feeders, hoppers, mechanical feeding boxes, bales unroller-feeders, straw blowers, straw choppers, shredders, mixing machines, namely, mulching machines; ha...

hand tool consisting of a semi-universal coupling for engagement with screw torquing tools and bits