Glass for optical elements, namely, optical lenses made of glass, optical glasses in the nature of optical lenses

Building glass, in particular glass fins; window glass for building, except glass for vehicle windows; window glass for building; plate glass windows for building, in particular explosion-resistant glass; enamelled glass, etched glass in the nature of building glass, sand-blasted glass in the nature of building glass, cut glass in the nature of building glass, coated glass in the nature of building glass, printed glass in the nature of building glass and polished glass in the nature of building glass all the foregoing used in building; heat-insulating and uv-insulating coated glass for building; plate glass windows for building for special lighting effects using daylight and artificial light through hologram technology and optoelectronic elements; insulating glass for building; casement windows, not of metal; frameworks for buildings, not of metal, namely, glass fins in the nature of building glass with load-bearing capacity; stairways, not of metal, namely, steps of glass; stair-treads, not of metal, namely, stair treads of glass; stair stringers, not of metal, namely, stringers of glass in the nature of non-metal stair parts; structures, not of metal, namely, shelter structures of glass; laminated flat glass for for building, in particular combined with other materials, with optical, holographic and optoelectronic elements; tempered glass used in buildings, in particular chemically pre-stressed glass for building; glass used in building curved through cold forming and thermoforming; structures and laminates consisting predominantly of glass, including with silicon and metal, being supporting structures in the nature of shelter structures of glass, framework structures and base structures in the nature of shelter structures of glass

Enamelled glass not for building; unworked or semi-worked glass except glass used in building, in particular etched glass, sand-blasted glass, cut glass, printed glass, coated glass and polished glass; glass incorporating fine electrical conductors, in particular optoelectronic elements, not for building