Norm
[AKTUELL]
UNE-EN 17522
UNE-EN 17522
Design and construction of backfilled and grouted borehole heat exchangers (Endorsed by Asociación Española de Normalización in June of 2023.)
Titel (englisch)
Design and construction of backfilled and grouted borehole heat exchangers (Endorsed by Asociación Española de Normalización in June of 2023.)