Non-metal rollers and wheels in the nature of casters for furniture; parts for the aforesaid rollers, in particular non-metal fastening devices, namely, non-metal threaded fasteners, bolts, nuts, washers, rivets, and screws not made of metal, and roller coverings

Couplings and parts thereof, in particular quick-connect couplings for pressurised media, gasesa and fluids; machine tool couplings, couplings for pneumatic apparatus