UNE-EN IEC 61788-23:2021 Superconductivity - Part 23: Residual resistance ratio measurement - Residual resistance ratio of cavity-grade Nb superconductors (Endorsed by Asociación Española de Normalización in November of 2021.)
2021UNE-EN IEC 61788-23:2021 Superconductivity - Part 23: Residual resistance ratio measurement - Residual resistance ratio of cavity-grade Nb superconductors (Endorsed by Asociación Española de Normalización in November of 2021.)
2018UNE-EN IEC 61788-23:2018 Superconductivity - Part 23: Residual resistance ratio measurement - Residual resistance ratio of Nb superconductors (Endorsed by Asociación Española de Normalización in November of 2018.)