|
9114001
|
Installations in buildings in general
|
|
9114010
|
Central heating systems
|
|
9114030
|
Ventilation and air-conditioning systems
|
|
9114040
|
Gas supply systems
|
|
9114050
|
Electricity supply systems
|
|
9114060
|
Water supply systems
|
|
9114065
|
Water heating equipment
|
|
9114070
|
Sanitary installations
|
|
9114080
|
Drainage systems
|
|
9114090
|
Lifts. Escalators
|
|
9114099
|
Other installations in buildings
|
