C
CHEMISTRY; METALLURGY
C
CHEMISTRY; METALLURGY
C03
GLASS; MINERAL OR SLAG WOOL
C03
GLASS; MINERAL OR SLAG WOOL
C03C
CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
C03C
CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
C03C4/00
Compositions for glass with special properties
C03C4/00
Compositions for glass with special properties