DIN EN 60068-2-42:2004-04
Environmental testing - Part 2-42: Tests - Test Kc: Sulphur dioxide test for contacts and connections (IEC 60068-2-42:2003); German version EN 60068-2-42:2003 / Note: DIN IEC 60068-2-42 (1985-08) remains valid alongside this standard until 2006-09-01.