Manufacture of optical fibre preforms

Manufacture of parisons of molten glass

Manufacture of staple glass fibers

Manufacture of vitreous silica product via a sol-gel process usi

Manufacturing drawn sheet glass

Manufacturing glass with a bushing having a directionally aligne

Manufacturing glass with improved silicon carbide bushing operat

Manufacturing method of an optical fiber coupler

Mat pattern control system and method

Mat width control

Mechanically alloyed nickel-cobalt-chromium-iron composition of

Melt flow control valve

Metal coated glass fibers

Metallic-glass coated optical fibres

Method and apparatus for applying size to glass strands

Method and apparatus for asymmetric cooling in a glass sheet for

Method and apparatus for blow and blow production of hollow glas

Method and apparatus for breaking optical fibers

Method and apparatus for catching a partly fibrated mineral bloo

Method and apparatus for changing bushings