LST EN ISO 14172:2009 Welding consumables - Covered electrodes for manual metal arc welding of nickel and nickel alloys - Classification (ISO 14172:2008)
LST EN ISO 14172-2004/AC:2007LST EN ISO 14172:2004
LST EN ISO 14172:2009 history
2009LST EN ISO 14172:2009 Welding consumables - Covered electrodes for manual metal arc welding of nickel and nickel alloys - Classification (ISO 14172:2008)