Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 25429-2019 |
Petroleum drilling and production equipment—Drill string non-return valve 石油天然气钻采设备 钻具止回阀 |
China National Standards equipment—Drill |
 English PDF |
| GB/T 20174-2019 |
Petroleum drilling and production equipment—Drill-through equipment 石油天然气钻采设备 钻通设备 |
China National Standards equipment—Drill |
English PDF |
| GB/T 25428-2015 |
Petroleum and natural gas industries—Drilling and production equipment—Drilling and well-servicing structures 石油天然气工业 钻井和采油设备 钻井和修井井架、底座 |
China National Standards equipment—Drill |
English PDF |
| Find out:3Items | To Page of: First -Previous-Next -Last | 1 |
+86-755-25831330
