Vanadium- and copper-containing glasses for use as filters for l
Very dark grey soda-lime glass
Very fast fading photochromic glass
Very low expansion sealing frits
Visible light optical polarizer made from stretched H 2...
Vitreous ceramic composition with high crystallization speed for
Vitreous china, method for preparing the vitreous china, sanitar
Vitreous compositions of the vitroceramic type, transparent...
Vitrifiable mixture for quality glasses