Clock or watch glasses and similar glasses, glasses for non-corrective or corrective spectacles, curved, bent, hollowed or the like, but not optically worked, hollow glass spheres and their segments, for the manufacture of such glasses
Stekla za ure in podobna stekla, stekla za nekorektivna ali korektivna očala, izkrvljena, upognjena, votla in podobno obdelana, optično neobdelana