Connectors and their components; Optical cables with optical connectors; Optical fiber cables; Infrared sensors; Optical semiconductors; Electrical connector contact terminals; Optical connectors; Connectors for telecommunication apparatus; Semiconductor optical amplifiers; Optical transmitters; Optical receivers; Optical transceivers; Optical fiber connectors; Optical fiber splicing devices; Ferrules for optical fiber connectors; Electronic equipment and its parts; Electronic semiconductors; Electrical control equipment and electronic control devices; Physical and chemical equipment; Telecommunications devices; Optical lenses; Lenses for optical signal transmission; Glass lenses for optical communications; Optical fibers; Correcting lenses (optics); Cables for optical signal transmission; Cables for transmission of electric or optical signals; Protective sheaths for optical fiber cables; Optical filters; Optical reflectors
Electrical and Scientific Apparatus