| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 25429-2019 | English | 679 |
Add to Cart
|
Days<=6
|
Petroleum drilling and production equipment - Drill string non-return valve
|
GB/T 25429-2019
| Valid |
GB/T 25429-2019
|