Optical receivers; Optical transceivers; Optical apparatus; Optical instruments; Optical amplifiers; Optical condensers; Optical filters; Optical fibres; Optical encoders; Optical cables; Electro-optical sensors; Optical sensors; Optical readers; Optical connectors; Optical semiconductors; Optical electronic components; Optical measuring components; Optical frequency metrology devices; Photo electron spectroscopy analyzers, not for medical purposes; Optical communications instruments; Integrated circuit; Electronic circuits; Integrated circuits; Integrated circuit boards; Integrated circuit cards; Integrated circuit modules; Integrated circuit module; Integrated circuit memories; Electronic circuit cards; Electronic circuit board; Electronic circuit boards; Printed circuit boards incorporating integrated circuits; Circuit boards provided with integrated circuits; Integrated circuit chips; Integrated circuit memory cards; Hybrid integrated circuits; Integrated electronic circuits; Integrated electrical circuits; Electronic integrated circuits; Integrated electric circuits; Electronic memory integrated circuit chips; Application specific integrated circuits; Connectors for electronic circuits; Large scale integrated circuits; Blank integrated circuit cards, blank smart cards; Electronic chips for the manufacturer of integrated circuits; Electronic chips for the manufacture of integrated circuits; Integrated circuits for enhanced graphics and video rendering; Integrated circuits for enhancing graphical and video display; Integrated circuit memory cards for use in playing electronic musical instruments; Optical fibre sensors; Optical fibers, fibres, light conducting filaments; Optical fibres, light conducting filaments

Fibre optic telecommunications services; Optical fibre telecommunications services; Communications by fibre-optic networks; Communications via fibre-optic networks; Communication via fibre-optic networks; Communication by fibre optic networks; Communication via optical fibre networks; Communication via fibre optical networks; Transmission of information on optical telecommunication networks; Telecommunications services, namely, providing fiber optic network services; Telecommunications services provided by means of optical fibre networks; Telecommunications services provided via fiber optic, wireless and cable networks