| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 31049-2022 | English | 669 |
Add to Cart
|
Days<=6
|
Petroleum drilling and production equipment - Top drive system
|
GB/T 31049-2022
| Valid |
GB/T 31049-2022
|