Design and construction of backfilled and grouted borehole heat exchangers (Endorsed by Asociación Espanola de Normalización in June of 2023.)
NORMA vydaná dňa 1.6.2023
Designation standards: UNE-EN 17522:2023
Publication date standards: 1.6.2023
The number of pages: 63
Approximate weight : 189 g (0.42 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE