9
ELECTRICAL, OPTICAL AND WIRELESS DATA AND VOICE COMMUNICATION SYSTEMS, EQUIPMENT AND COMPONENTS; SIGNAL AMPLIFICATION AND MANIPULATION EQUIPMENT AND COMPONENTS; OPTIC AND ELECTRIC CABLE CONNECTION AND TERMINATION DEVICES; TELECOMMUNICATIONS HARDWARE; SWITCHING SYSTEMS, INCLUDING OPTICAL SWITCHING SYSTEMS; COMPUTER SOFTWARE; MULTIPLEXING EQUIPMENT; OPTICAL FIREWALLS; FIBRE OPTIC CABLES, PARTS AND FITTINGS THEREFOR; EQUIPMENT FOR USE WITH OPTICAL NETWORKS
38
COMMUNICATIONS, TELECOMMUNICATIONS, TRANSMITTING AND CONVEYING INFORMATION OR DATA, COMMUNICATIONS BETWEEN COMPUTER TERMINALS
42
SCIENTIFIC RESEARCH AND DEVELOPMENT; RESEARCH RELATING TO PHOTONICS AND WAVELENGTH TECHNOLOGY; DESIGN OF COMPUTER; SOFTWARE AND HARDWARE; DESIGN AND DEVELOPMENT OF MULTIPLEXING EQUIPMENT; DESIGN AND DEVELOPMENT OF SWITCHING EQUIPMENT; RESEARCH AND DEVELOPMENT OF OPTICAL FIBRE TECHNOLOGY; DESIGN AND DEVELOPMENT OF OPTICAL NETWORKS