JIS H 7304:2017 Superconductivity -- Matrix to superconductor volume ratio measurement -- Copper to superconductor volume ratio of Cu/Nb-Ti composite superconducting wires
2017JIS H 7304:2017 Superconductivity -- Matrix to superconductor volume ratio measurement -- Copper to superconductor volume ratio of Cu/Nb-Ti composite superconducting wires
2002JIS H 7304:2002 Superconductivity -- Part 5: Matrix to superconductor volume ratio measurement -- Copper to superconductor volume ratio of Cu/Nb-Ti composite superconductors