SQ

Optical glass; optical quartz glasses; doped optical quartz glasses; optical glasses for laser applications; optical fibers and preformed optical fibers for use in manufacturing optical fiber cables; optical glass fibers; radiation-resistant optical glass fibers; solarisation-stable optical glass fibers; laser fibers, namely, optical fibers for transmitting laser radiation

[Material processing, namely, glass tempering and finishing; glass machining, namely, processing and finishing of glass; material processing, namely, drawing of glass fibers; treatment of materials, namely, chemical or physical coating of glass or glass fibers]

[Scientific and technological services, namely, scientific research; engineering services relating to fiber optic cables, optical class and quartz glass; development and search services concerning new products for others; quality inspection and testing of fiber optic cables, optical glass and quartz glass; materials inspection and testing of fiber optic cables, optical glass and quartz glass]