2018DIN EN IEC 62554:2018 Sample preparation for measurement of mercury level in fluorescent lamps (IEC 62554:2011 + A1:2017); German version EN 62554:2011 + EN IEC 62554:2011/A1:2018
2012DIN EN 62554:2012 Sample preparation for measurement of mercury level in fluorescent lamps (IEC 62554:2011); German version EN 62554:2011