37
Building construction; repair of electric equipment and
electrotechnical installations of all kinds; installation
services; installation, assembly, maintenance, electronic,
information technology, medical technology, precision
engineering, optical, heating, air conditioning,
ventilation, sanitary and mechanical engineering
installations, products and devices; consultancy with regard
to the installation of telecommunication networks
38
Telecommunications; rental of message sending apparatus and
installations; electronic services, namely forwarding or
disseminating data, information, images, video and audio
sequences, transmission of information and communicating
information stored in databases, in particular including via
interactive computer systems; consultancy with regard to
operation of telecommunication networks; telecommunication
networks
42
Research and development, for others, in the fields of
electrical engineering, electronics, information technology,
medical technology, physics, chemistry, heating, air
conditioning, ventilation, sanitation and mechanical
engineering, as well as planning, engineering and technical
monitoring services in these fields; architectural and
design planning and consultancy; computer programming;
rental of information technology equipment and
installations; material testing; consultancy with regard to
the operation of telecommunication networks, development and
design of telecommunications and data processing services
and equipment, telecommunications networks and tools
therefor; planning, consultancy, testing and technical
monitoring in the field of the systems integration and
product integration of telecommunications networks and data
processing; development, generation and rental of data
processing programs; structural and civil engineering