Home / Standards / NB/T10370-2019 NB/T10370-2019 Active 煤矿抽放瓦斯用焊接不锈钢管吸能检验规范 Standard Type NB ICS N/A CCS N/A Status Active Issue Date 2019-12-30 Implementation 2020-07-01 Centralized Committee 国家能源局 Issuing Authority 国家能源局