2020DS/EN IEC 60904-1:2020 Photovoltaic devices – Part 1: Measurement of photovoltaic current-voltage characteristics
2007DS/EN 60904-1:2007 Photovoltaic devices - Part 1: Measurement of photovoltaic current-voltage characteristics
DS/EN IEC 60904-1:2020 Photovoltaic devices – Part 1: Measurement of photovoltaic current-voltage characteristics was changed to DS/EN 60904-1:2007 Photovoltaic devices - Part 1: Measurement of photovoltaic current-voltage characteristics.