2008DS/EN 60068-2-20:2008 Environmental testing - Part 2-20: Tests - Test T: Test methods for solderability and resistance to soldering heat of devices with leads
1989DS/IEC 68-2-20:1989 Basic environmental testing procedure. Part 2: Tests. Test T: Soldering
DS/IEC 68-2-20:1989 Basic environmental testing procedure. Part 2: Tests. Test T: Soldering was changed to DS/EN 60068-2-20:2008 Environmental testing - Part 2-20: Tests - Test T: Test methods for solderability and resistance to soldering heat of devices with leads.