
Fire resistance tests — Fire dampers for air distribution systems — Part 2: Intumescent dampers
NORMA vydána dne 25.6.2021
Designation standards: ISO 21925-2:2021
Publication date standards: 25.6.2021
The number of pages: 44
Approximate weight : 132 g (0.29 lbs)
Country: International technical standard
Kategorie: Technické normy ISO