17 Sealing rings for hose fittings, not of metal; flexible hoses of rubber for use in dispensing petrol, fuel, petroleum, chemical, and pharmaceutical products; flexible hoses of rubber reinforced with artificial fibers for use in dispensing petrol, fuel, petroleum, chemical, and pharmaceutical products; flexible hoses of plastic for use in dispensing petrol, fuel, petroleum, chemical, and pharmaceutical products; flexible hoses of rubber reinforced with wire for use in dispensing petrol, fuel, petroleum, chemical, and pharmaceutical products; flexible hoses of polymeric materials for use in dispensing petrol, fuel, petroleum, chemical, and pharmaceutical products; flexible hoses, not of metal, for use in dispensing petrol, fuel, petroleum, chemical, and pharmaceutical products; hose fittings, not of metal; hose couplings, not of metal, for use with hoses for industrial applications, namely, for use in dispensing petrol, fuel, petroleum, chemical, and pharmaceutical products; connectors, not of metal, for use with hoses for industrial applications, namely, for use in dispensing petrol, fuel, petroleum, chemical, and pharmaceutical products; junctions, not of metal, for use with pipes for industrial applications, namely, for use in dispensing petrol, fuel, petroleum, chemical, and pharmaceutical products; pipe couplings, not of metal, for use with pipes for industrial applications, namely, for use in dispensing petrol, fuel, petroleum, chemical, and pharmaceutical products; couplings and connectors of plastic for liquid and gas hoses for use in dispensing petrol, fuel, petroleum, chemical, and pharmaceutical products; screw fittings, not of metal, for use with pipes for industrial applications, namely, for use in dispensing petrol, fuel, petroleum, chemical, and pharmaceutical products; hoses, in particular refueling hoses, of rubber or non-metal materials similar to rubber, for use in dispensing petrol, fuel, and petroleum products; hoses, in particular refueling hoses, of rubber or non-metal materials similar to rubber, reinforced with textiles and with metals for use in dispensing petrol, fuel, and petroleum products; stamped, cut and molded non-metal gaskets for hoses and pipes; elastic pipe junctions, not of metal, for use with pipes for industrial applications, namely, for use in dispensing petrol, fuel, petroleum, chemical, and pharmaceutical products