GB/T 37807-2019

Active

Technical specification for underground goaf survey of open-pit coal mine

露天煤矿井采采空区勘查技术规范

Standard Type
GBT
ICS
73.100.99
CCS
D20
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