DIN EN 62271-207:2008 High-voltage switchgear and controlgear - Part 207: Seismic qualification for gas-insulated switchgear assemblies for rated voltages above 52 kV (IEC 62271-207:2007); German version EN 62271-207:2007
2013DIN EN 62271-207:2013 High-voltage switchgear and controlgear - Part 207: Seismic qualification for gas-insulated switchgear assemblies for rated voltages above 52 kV (IEC 62271-207:2012); German version EN 62271-207:2012
2008DIN EN 62271-207:2008 High-voltage switchgear and controlgear - Part 207: Seismic qualification for gas-insulated switchgear assemblies for rated voltages above 52 kV (IEC 62271-207:2007); German version EN 62271-207:2007