Home / Standards / GB/T 37808-2019 GB/T 37808-2019 Active Design specification for conventional power supply system in fully-mechanized mining and top coal caving mining face 综采综放工作面常规供电系统设计规范 Standard Type GBT ICS 73.100.01 CCS D90 Status 现行 Issue Date 2019-08-30 Implementation 2020-03-01 Responsible Dept 中国煤炭工业协会 Drafting Unit N/A