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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 21412.4-2013 |
Petroleum and natural gas industries―Design and operation of subsea production systems―Part 4: Subsea wellhead and tree equipment 石油天然气工业 水下生产系统的设计与操作 第4部分：水下井口装置和采油树设备 |
China National Standards industries―Design |
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