9
Quartz glass scientific, research and laboratory equipment in the nature of bowls, glass tubes, vials, crucibles, Petri dishes, containers for physical and chemical analysis on materials, perforated partitions, frosted collars, hurdles, diffusion pipes, diffusion bells, flanges, epitaxial pipes, boats for deposition processes, supports for catalysts, for use in the chemical, electronics, semiconductor industries and for laboratories; quartz glass products for optical inspection apparatus, in particular lenses, prisms, plates, filters, mirrors, photo-conductors, optical fibers; and parts and accessories thereof, for the chemical, electronics, semiconductor industries and for use in laboratories
10
Apparatus and instruments for medical use, parts and accessories thereof, in particular lamps, lasers, optical radiators for medical use; reflectors and anti-glare devices as parts or accessories for lamps, lasers, optical radiators for medical use; infrared quartz lamps for medical use; the foregoing not including ultraviolet lamps for medical use and parts or accessories therefor and not including skin measuring, testing, analyzing and diagnostic apparatus and instruments and parts or accessories therefor
11
Heating and lighting apparatus, parts and accessories thereof, in particular electric lamps, infrared radiators for curing and heating adhesives, inks and powders for use in automated manufacturing processes, UV radiators not for motors and engines, furnaces; electric lamp reflectors; anti-glare devices as accessories for lamps; lamp casings made of quartz glass, in particular for ultraviolet radiators and infrared radiators; lamps for polymerization processes; lamps to test the behavior of materials and for industrial maintenance; lamps for the analysis and chromatography of short-wave and long-wave black light; quartz epiradiators; heat polymerization apparatus units for ultraviolet photo-polymerization; quartz distillers and evaporators for chemical processing