2014DIN EN 61231:2014-06 International lamp coding system (ILCOS) (IEC 61231:2010 + A1:2013); German version EN 61231:2010 + A1:2013 / Note: DIN EN 61231 (2010-12) remains valid alongside this standard until 2016-08-01.
2014DIN EN 61231:2014 International lamp coding system (ILCOS) (IEC 61231:2010 + A1:2013); German version EN 61231:2010 + A1:2013
2010DIN EN 61231:2010 International lamp coding system (ILCOS) (IEC 61231:2010); German version EN 61231:2010
2000DIN 49805:2000 International Lamp Coding System (ILCOS); Identical with technical specification IEC/TS 61231:1999