Home / Standards / GB/T 39337-2020 GB/T 39337-2020 Active Technical requirement of fully mechanized bag filling mining with superhigh-water material 综合机械化超高水材料袋式充填采煤技术要求 Standard Type GBT ICS 73.020 CCS D15 Status 现行 Issue Date 2020-11-19 Implementation 2021-06-01 Responsible Dept 中国煤炭工业协会 Drafting Unit N/A