9
					optical, electrical and electronic appliances and devices; electrical devices for recording, emission, transmission, reception, reproduction and processing of sounds, signals, characters and/or images; devices for recording, processing, sending, transmission, switching, storage and output of messages and data; communications computers software; optical, electrical and electronic telecommunication equipment, in particular telephone exchange and transmission devices such as telephones, videophones, telephone answering sets, dialling devices, domestic telephone systems, private automatic branch exchanges; photocopiers; telecommunication networks consisting of exchange and transmission equipment, individual modules and components of such equipment such as power supply units; transmission media such as telecommunication cables and optical fibres and pertinent connection elements; parts of all the appliances and devices mentioned above; systems consisting of a combination of the appliances and devices mentioned above
				
				
			
							
				
					37
					installation, fitting, maintenance and repair of telecommunication equipment and networks
				
				
			
							
				
					38
					operation and administration of telecommunication systems, networks and of pertinent facilities and parts thereof
				
				
			
							
				
					42
					advisory services for the installation and operation of telecommunication systems and networks; development and design engineering of telecommunication and information processing services and facilities and of telecommunication networks; planning and design engineering of telecommunication systems, networks and of pertinent facilities and parts thereof; development, generation and leasing of data processing programs; leasing of telecommunication appliances, devices and networks
				
				
			
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