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| Position: Chinese Standard in English/SY 5172-1987 |
| SY 5172-1987 (English Version) | |||
| Standard No.: | SY 5172-1987 | Status: | superseded |
| Language: | English | File Format: | |
| Word Count: | 3000 words | Price(USD): | 90.00 remind me the price change |
| Implemented on: | 1993-2-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | SY 5172-1987 |
| Chinese Name: | 直井下部钻具组合设计推荐方法 |
| Chinese Classification: | E92 Petroleum drilling & production equipment and instrument |
| Professional Classification: | SY Professional Standard - Oil & Gas |
| Implemented on: | 1993-2-1 |
| Status: | superseded |
| Superseded by: | SY/T 5172-1996 |
| Superseded on: | 1997-6-1 |
| Language: | English |
| File Format: | |
| Word Count: | 3000 words |
| Price(USD): | 90.00 |
| Delivery: | via email in 1~3 business day |