Portable fire extinguishers - Part 9: Additional requirements to EN 3-7 for pressure resistance of CO2 extinguishers; German version EN 3-9:2006, Corrigenda to DIN EN 3-9:2007-02; German version EN 3-9:2006/AC:2007
Portable fire extinguishers - Part 9: Additional requirements to EN 3-7 for pressure resistance of CO2 extinguishers; German version EN 3-9:2006, Corrigenda to DIN EN 3-9:2007-02; German version EN 3-9:2006/AC:2007