Home / Standards / NB/T 20697-2023 NB/T 20697-2023 Active 核动力厂场内应急设施设计规范 Standard Type NB ICS N/A CCS N/A Status Active Issue Date 2023-10-11 Implementation 2024-04-11 Centralized Committee 国家能源局 Issuing Authority 国家能源局