06
Structures of metal; ducts of metal for central heating
installations and for ventilating and air conditioning
systems; transportable buildings of metal; manually operated
metal valves; valves of metal, other than parts of machines
09
Heat regulating apparatus; switchgear [electric]; boiler
control instruments; temperature indicating apparatus;
temperature controlling apparatus; electronic controllers,
software and electric sensors for heating, ventilating, air
conditioning and air purification equipment; aforesaid goods
particularly for rail, industrial, mining, or defence
vehicles; parts of the aforesaid goods
11
Heating, ventilating and air conditioning and purification
equipment (ambient); air cleaning apparatus; heating
installations; heat pumps; defrosters; heat exchangers,
other than parts of machines; aforesaid goods particularly
for rail, industrial, mining, or defence vehicles; parts of
the aforesaid goods
37
Installation, maintenance and repair of heating,
ventilating, air-conditioning and air purification equipment
and installations, apparatus for the treatment of air,
heating elements, heat pumps, heat exchangers, heat
regulating apparatus, switching installations, boiler
control instruments, temperature indicators, thermostats,
electronic controllers, electric sensors for heating,
ventilating, air-conditioning and air purification equipment
and installations, and parts of the aforesaid goods, in
particular for railway, industrial, mining, defence
vehicles
42
Scientific and technological services; scientific and
industrial research; engineering research; engineering
services; engineering services relating to information
technology; preparation of data processing programmes;
installation, maintenance and repair of software for
heating, ventilation, air-conditioning and air purification
equipment and installations, and parts of the aforesaid
goods, in particular for railway, industrial, mining,
defence vehicles; engineering consultancy services