Home / Standards / NB/T 10527-2021 NB/T 10527-2021 Active 煤矿立井井壁注浆施工规范 Standard Type NB ICS N/A CCS N/A Status Active Issue Date 2021-01-07 Implementation 2021-04-01 Centralized Committee 国家能源局 Issuing Authority 国家能源局