Home / Standards / NB/T 10448-2020 NB/T 10448-2020 Active 输电线路行波故障测距装置检测规范 Standard Type NB ICS N/A CCS N/A Status Active Issue Date 2020-10-23 Implementation 2021-02-01 Centralized Committee 国家能源局 Issuing Authority 国家能源局