DIN EN 3-9 Berichtigung 1:2008
便携式灭火器.第9部分:对CO2耐压灭火器用EN 3-7的附加要求.技术勘误DIN EN 3-9-2007
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