C03B37/00
Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
C03B37/00
Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
C03B37/012
Manufacture of preforms for drawing fibres or filaments
C03B37/012
Manufacture of preforms for drawing fibres or filaments
C03B37/014
made entirely or partially by chemical means; , e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
C03B37/014
made entirely or partially by chemical means; , e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]