2011LST EN 62305-3-2011 Protection against lightning -- Part 3: Physical damage to structures and life hazard (IEC 62305-3:2010)
2004LST EN 13774-2004 Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar - Performance requirements
LST EN 13774-2004 Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar - Performance requirements was changed to LST EN 62305-3-2011 Protection against lightning -- Part 3: Physical damage to structures and life hazard (IEC 62305-3:2010).