19
Glass walls; Insulated glass; Safety glass; Layered glass; Window glass; Glass (Building -); Stained glass windows (Glass for -); Glass building materials; Insulating glass [building]; Windows (Stained-glass -); Restoration Glass [building material]; Monument Glass [building material]; Toughened glass for building; Safety glass for building; Reinforced glass for building; Insulating glass for building; Foam glass for building; Luminous glass for building; Modified sheet glass [for building]; Glazing elements made from glass; Insulating glass for construction purposes; Fire retarding glass for use in construction; Infrared reflective glass for use in building; Double glazing panels (Non-metallic -) incorporating insulating glass
21
Semiworked glass; Enamelled glass; Ornamental glass; Glass sheets; Crude glass; Glass plates; Glass (Semi-worked -); Semi finished glass; Partly processed glass; Anti-reflecting glass; Smoothed plate glass; Decorative stained glass; Polished plate glass; Semi-worked glass, except building glass; Plate glass [raw material]; Coloured glass (Semi-worked -); Glass panels [semi-finished article]; Glass (Semi-worked -) for vehicles; Restoration Glass [not for building]; Monument Glass [not for building]; Glass mosaics, not for buildings; Decorative glass [not for building]; Modified sheet glass [not for building]; Colored sheet glass, not for building; Common sheet glass, not for building; Figured plate glass, not for building; Glass (Semi-worked -) adapted to absorb ultra-violet radiation
40
Glass tinting; Glass etching; Glass tempering; Glass resurfacing; Etching of glass; Bevelling of glass; Laminating of glass sheets; Colouring glass sheets by surface treatment