Home / Standards / GB/T 37768-2019 GB/T 37768-2019 Active General matching specification for fully-mechanized mining face in medium-thickness coal seam 中厚煤层综采工作面总体配套技术条件 Standard Type GBT ICS 73.100.01 CCS D90 Status 现行 Issue Date 2019-06-04 Implementation 2020-01-01 Responsible Dept 中国煤炭工业协会 Drafting Unit N/A