NF C31-888-23*NF EN IEC 61788-23:2021 Superconductivity - Part 23 : residual resistance ratio measurement - Residual resistance ratio of cavity-grade Nb superconductors
2021NF C31-888-23*NF EN IEC 61788-23:2021 Superconductivity - Part 23 : residual resistance ratio measurement - Residual resistance ratio of cavity-grade Nb superconductors