9
Apparatus and consoles, all for the testing and calibration of electricity meters; calibration devices; data processing apparatus; input and output apparatus for use with data processing and computing apparatus, all for receiving and transmitting to and from the computer and data processing apparatus; measuring, detecting, monitoring and controlling devices and instruments; two-way communications apparatus and instruments; consumption meters; metering apparatus; consumer display units; control and data collection equipment; energy management units; computer hardware and software; data transmission and data collection apparatus
37
Installation, repair and maintenance of electronic apparatus, including calibration devices, metering apparatus, electricity meters, consumer display units, control and data collection equipment, energy management units and parts therefor; inspection of electronic apparatus, including calibration devices, metering apparatus, electricity meters, consumer display units, control and data collection equipment, energy management units; repair and maintenance services relating to calibration devices, metering apparatus, electricity meters, consumer display units, control and data collection equipment, energy management units and parts therefor
42
Calibration services relating to electronic apparatus; calibration of instruments