Potentially explosive atmospheres - Terms and definitions for equipment and protective systems intended for use in potentially explosive atmospheres; German version prEN 13237:2011
Dust explosion venting protective systems; German version EN 14491:2006, Corrigendum to DIN EN 14491:2007-08; German version EN 14491:2006/AC:2008— 6 стр.
Dust explosion venting protective systems; German version EN 14491:2006, Corrigendum to DIN EN 14491:2007-08; German version EN 14491:2006/AC:2008— 6 стр.