HBQ

Chemicals used in the production and manufacture of black glass, in particular chemicals for producing black glass that is opaque throughout

[ Reflectors as laser parts or accessories, for non-medical purposes ]

[ Lamps; reflectors for lamps; anti-glare devices as accessories for lamps; infrared emitters for infrared lamps and for infrared light sources; UV emitters for disinfection units, curing systems, and UV lamps; lamp housings made of quartz glass, in particular for ultraviolet emitters and for infra-red emitters ]

Quartz glass, namely, quartz glass fibers, not for textile purpose; quartz goods in the nature of fused quartz glass and sintered quartz glass, being semi-finished products, except for construction purposes, and semi-finished products produced from them, in particular pipes, rods, plates, blocks; semi-finished products, in particular black quartz goods in the nature of fused black quartz glass, except for construction purposes, and semi-finished products produced from such black quartz goods, in particular pipes, rods, plates, blocks; semi-finished products, in particular quartz glass that is opaque throughout in the nature of fused opaque quartz glass and sintered opaque quartz glass, except for construction purposes, and semi-finished products produced from such quartz glass that is opaque throughout, in particular pipes, rods, plates, blocks