NF S62-137/A1*NF EN 12094-7/A1:2005 Fixed firefighting systems - Components for gas extinguishing systems - Part 7 : requirements and test methods for nozzles for CO2 systems.
2005NF S62-137/A1*NF EN 12094-7/A1:2005 Fixed firefighting systems - Components for gas extinguishing systems - Part 7 : requirements and test methods for nozzles for CO2 systems.