76174639
Nov 29, 2000
Jan 14, 2003
quartz glass for use in the chemical, electronic and semiconductor industry, namely, bowl, frits, rods, tubes, blocks and plates
Electrical and Scientific Apparatussemifinished quartz glass rods, tubes, cylinders, blocks, ingots, plates, flanges and frits for use in the chemical industry, in the electronic industry, for use as auxiliary devices in the fiber optic industry and for use in the semiconductor industry
Housewares and Glass