GB/T 37811-2019

Active

General matching specification for fully-mechanized top coal caving mining longwall face

综采放顶煤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
2019-08-30
Implementation
2020-03-01
Responsible Dept
中国煤炭工业协会
Drafting Unit
N/A