[Class : 21] Glass (Receptacles), Opal Glass, Glass Bowls, Glass Bulbs (Receptacles), Glass Caps, Glass Flasks (Containers), Glass For Vehicle Windows (Semi Finished Product), Glass Incorporating Fine Electrical Conductors, Glass Jars (Carboys), Glass Stoppers, Glass Vials (Receptacles), Glass Wool Other Than For Insulation, Glass, Unworked Or Semi Worked (Except Building Gl...