NF C31-888-12*NF EN 61788-12:2014 Superconductivity - Part 12 : matrix to superconductor volume ratio measurement - Copper to non-copper volume ratio of Nb3Sn composite superconducting wires
2014NF C31-888-12*NF EN 61788-12:2014 Superconductivity - Part 12 : matrix to superconductor volume ratio measurement - Copper to non-copper volume ratio of Nb3Sn composite superconducting wires