WASIC
oxides of metals and semi-metals and mixed phases thereof, silicic acid esters, silica, amorphous silica, porous silica and sintered silica, all for manufactuing use in the chemicals, glass, ceramics, insulation, engineering, electronics, mould making, semi-conductor, microchip and photovoltaic industies
Abandoned · March 3, 2000 · 75934460 ·