Main prod. Group survey   Industriegruppenübersicht  
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23

Construction

Object building

System-building and module construction

1023.11

System-building

1023.12

Aggregate buildings

1023.36

Gas regulating stations

1023.37

Dangerous medium storages

1023.54

Compact stations

1023.75

Pumping stations

1023.77

Space cells

1023.87

Telecommunication stations

1023.92

Underground substations