标准号:IEC 61788-23:2024 RLV EN 6ad81149标准名称:IEC 61788-23:2024 RLV EN 6ad81149英文名称:Superconductivity - Part 23: Residual resistance ratio measurement - Residual resistance ratio of cavity-grade Nb superconductors标准状态:发布日期:2024-12-14实施日期:0出版语种:EN归口单位:TC 90提出部门:IEC发布部门:IEC