
Heat exchangers - Test procedures for establishing performance of air to air and flue gases heat recovery devices
NORMA vydána dne 30.10.1997
Designation standards: UNE-EN 308:1997
Note: NEPLATNÁ
Publication date standards: 30.10.1997
The number of pages: 29
Approximate weight : 87 g (0.19 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE