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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 21412.7-2018 |
Petroleum and natural gas industries—Design and operation of subsea production systems—Part 7：Completion/workover riser systems 石油天然气工业 水下生产系统的设计与操作 第7部分：完井或修井隔水管系统 |
China National Standards workover |
 English PDF |
| GB/T 23505-2017 |
Petroleum and natural gas industries—Petroleum drilling and workover rigs 石油天然气工业 钻机和修井机 |
China National Standards workover |
English PDF |
| GB/T 35146-2017 |
Petroleum and natural gas industries—Offshore drilling and workover equipment 石油天然气工业 海上钻井和修井设备 |
China National Standards workover |
English PDF |
| GB/T 23505-2009 |
Petroleum drilling and workover rigs 石油钻机和修井机 |
China National Standards workover |
English PDF |
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