GB 41022-2021

Active

Basic index of coal mine gas drainage and exploition

煤矿瓦斯抽采基本指标

Standard Type
GB
ICS
13.100
CCS
D09
Status
现行
Issue Date
2021-12-01
Implementation
2022-06-01
Responsible Dept
国家矿山安监局
Drafting Unit
N/A