GB 50451-2008

Code for design of underground drainage pump station and drainage pipeline in coal mine

煤矿井下排水泵站及排水管路设计规范

Standard Type
GB
ICS
N/A
CCS
N/A
Status
N/A
Issue Date
N/A
Implementation
N/A
Responsible Dept
N/A
Drafting Unit
N/A