Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 22513-2023 |
Oil and gas drilling equipment Wellhead devices and christmas trees {译} 石油天然气钻采设备 井口装置和采油树 |
China National Standards christmas |
 English PDF |
| GB/T 22513-2013 |
Petroleum and natural gas industries―Drilling and production equipment―Wellhead and christmas tree equipment 石油天然气工业 钻井和采油设备 井口装置和采油树 |
China National Standards christmas |
English PDF |
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