2011DIN EN 60671:2011 Nuclear power plants - Instrumentation and control systems important to safety - Surveillance testing (IEC 60671:2007); German version EN 60671:2011
2007DIN IEC 60671:2007 Nuclear power plants - Instrumentation and control systems important to safety - Surveillance testing (IEC 60671:2007)
DIN IEC 60671:2007 Nuclear power plants - Instrumentation and control systems important to safety - Surveillance testing (IEC 60671:2007) was changed to DIN EN 60671:2011 Nuclear power plants - Instrumentation and control systems important to safety - Surveillance testing (IEC 60671:2007); German version EN 60671:2011.