LST EN 60749-5-2004 Semiconductor devices - Mechanical and climatic test methods. Part 5: Steady-state temperature humidity bias life test (IEC 60749-5:2003)
2015LST EN 14399-6-2015 High-strength structural bolting assemblies for preloading - Part 6: Plain chamfered washers
2004LST EN 60749-5-2004 Semiconductor devices - Mechanical and climatic test methods. Part 5: Steady-state temperature humidity bias life test (IEC 60749-5:2003)
LST EN 60749-5-2004 Semiconductor devices - Mechanical and climatic test methods. Part 5: Steady-state temperature humidity bias life test (IEC 60749-5:2003) was changed to LST EN 14399-6-2015 High-strength structural bolting assemblies for preloading - Part 6: Plain chamfered washers.