SN EN 15004-4-2021
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) (English Version)

Standard No.

SN EN 15004-4-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

CH-SNV

Replace By

SN EN 15004-4-2010