| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| NB/T 11465-2023 | English | RFQ |
ASK
|
Days<=3
|
(Technical methods for gas drainage from L-shaped roof horizontal wells on the ground in coal mine mining areas)
|
NB/T 11465-2023
| Valid |
NB/T 11465-2023
|