Production method and device for sheet glass, and liquid...
Production of flat glass
Production of glass fibers
Production of glass fibres
Production of micro glass fibers
Production of optical glass fibers
Programmably controlled fiber glass strand feeders and improved
Protection device for basalt drain bushings
Protective coating for refractory metal substrates
Proton exchange method of forming waveguides in LiNbO.sub.3
Purifying process of fluoride glass