DATA PROCESSORS; RADIO-FREQUENCY, OPTICAL AND INFRA-RED TRANSMITTERS AND RECEIVERS; TELEMETRY TRANSMITTERS, RECEIVERS AND PROCESSORS; ELECTRICAL AND GAS ENERGY METERS; DATA PROCESSORS FOR ELECTRICAL AND GAS ENERGY DISTRIBUTION NETWORK MANAGEMENT; COMPUTER PROGRAMS, NAMELY, COMPUTER PROGRAMS FOR OPERATING DATA PROCESSORS; COMPUTER PROGRAMS FOR OPERATING TELEMETRY TRANSMITTERS, RECEIVERS AND PROCESSORS; COMPUTER PROGRAMS FOR ELECTRICAL AND GAS ENERGY METERING, INCLUDING PRE-PAYMENT METERING; CO...