9 laboratory equipment made of quartz glass for use in the chemical, electronic, and semiconductor industries, namely, cells, inspection glasses, flasks, [ crucibles, ] trays, bowls, [ frits, ] taper-ground joints, wafer carriers, tube reactors for diffusion and epitaxial growth, belljars, flanges, boats, and catalyst carriers, [ products made of quartz glass for optical devices, namely, eyeglass lenses, prisms, plates, optical filters, mirrors, mirror plates, and waveguides; optical fibers; and laboratory quartz lamp vessels for ultra-violet radiators and infrared radiators; ] and semifinished quartz glass tubes, rods, plates and blocks for laboratory use in the chemical industry, the electronic industry, and the semiconductor industry
Trademark: 75336179
