| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 41039-2021 | English | 269 |
Add to Cart
|
Days<=3
|
The general rules of determining designed coal and checked coal in modern coal chemical technology
|
GB/T 41039-2021
| Valid |
GB/T 41039-2021
|