DIN EN 61341:2012-08 Method of measurement of centre beam intensity and beam angle(s) of reflector lamps (IEC/TR 61341:2010); German version EN 61341:2011 / Note: DIN IEC/TR 61341 (2011-01) remains valid alongside this standard until 2014-07-04.
2012DIN EN 61341:2012-08 Method of measurement of centre beam intensity and beam angle(s) of reflector lamps (IEC/TR 61341:2010); German version EN 61341:2011 / Note: DIN IEC/TR 61341 (2011-01) remains valid alongside this standard until 2014-07-04.
2012DIN EN 61341:2012 Method of measurement of centre beam intensity and beam angle(s) of reflector lamps (IEC/TR 61341:2010); German version EN 61341:2011
2011DIN IEC/TR 61341:2011 Method of measurement of centre beam intensity and beam angle(s) of reflector lamps (IEC/TR 61341:2010)