Mountable parts made of glass-ceramics in the form of carrier plates, supporting plates, cover parts, separating parts, lining parts and viewing windows for optical measuring devices and measuring instruments for calibration, for laboratory installations in the nature of devices and apparatus for chemical separation processes, for devices and apparatus for process measurement and for apparatus and installations for process control, for electronic apparatus and parts in the nature of virtual r...

Unworked or semi-worked glass except glass used in building; semi-finished products made of glass or glass ceramics, namely, semi-finished glass or glass ceramic plates, flat or shaped, for further manufacture