Fixed firefighting systems - Gas extinguishing systems - Part 4: Physical properties and system design of gas extinguishing systems for HFC 125 extinguishant (ISO 14520-8:2019, modified)
NORMA vydána dne 14.7.2021
Designation standards: UNE-EN 15004-4:2021
Publication date standards: 14.7.2021
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE