Home / Standards / NB/T 11326-2023 NB/T 11326-2023 Active 煤层穿层钻孔水力冲孔技术规范 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