GB/T 39336-2020

Active

Technical requirement of roadside bag filling for gob-side entry retaining with high-water material

沿空留巷高水材料巷旁袋式充填技术要求

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