| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| NB/T 11434.1-2023 | English | 309 |
Add to Cart
|
Days<=3
|
Paste filling in coal mine - Part 1: Technical requirements of goaf isolation in fully mechanized mining face
|
NB/T 11434.1-2023
| Valid |
NB/T 11434.1-2023
|