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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 23512-2015 |
Petroleum and natural gas industries—Evaluation and testing of thread compounds for use with casing, tubing, line pipe and drill stem elements 石油天然气工业 套管、油管、管线管和钻柱构件用螺纹脂的评价与试验 |
China National Standards industries—Evaluation |
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