WMS

Glass having a function to allow transmission of light having a predetermined wavelength or light in a predetermined wavelength range for use for a filter in electric wires and cables, namely, optical fiber cables, telecommunication apparatus and instruments, namely, optical communication apparatus and instruments, and measuring apparatus and instruments; Crystallized glass having a function to allow transmission of light having a predetermined wavelength or light in a predetermined wavelength range for use for a filter in electric wires and cables, namely, optical fiber cables, telecommunication apparatus and instruments, namely, optical communication apparatus and instruments, and measuring apparatus and instruments; Processed glass, not for building, namely, optical lenses made of glass, glass covered with an electrical conductor; Optical communication apparatus and instruments, and replacement and structural parts therefor, namely, optical transmitters, optical receivers, optical data links, cables for optical signal transmission, cables for the transmission of sounds and images, and communications cables; Optical apparatus and instruments, and replacement and structural parts therefor, namely, optical filters, optical condensers, optical reflectors, optical sensors, optical couplers, optical fiber cables, and optical cables

Crystallized glass; Unworked or semi-worked glass, not for building; Processed glass, not for building, namely, laminated flat glass, spun glass, glass fibers for non-textile purposes, ground plate glass, and glass incorporating fine electrical conductors