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| Position: Chinese Standard in English/SY 5251-1991 |
| SY 5251-1991 (English Version) | |||
| Standard No.: | SY 5251-1991 | Status: | superseded |
| Language: | English | File Format: | |
| Word Count: | 3500 words | Price(USD): | 105.00 remind me the price change |
| Implemented on: | 1991-11-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | SY 5251-1991 |
| Chinese Name: | 石油天然气探井质量基本要求 |
| Chinese Classification: | E20 Petroleum and natural gas in general |
| Professional Classification: | SY Professional Standard - Oil & Gas |
| Issued on: | 1991-07-19 |
| Implemented on: | 1991-11-1 |
| Status: | superseded |
| Superseded by: | SY/T 5251-2003 Geology items and basic quality requirements in oil & gas exploration wells |
| Superseded on: | 2003-8-1 |
| Language: | English |
| File Format: | |
| Word Count: | 3500 words |
| Price(USD): | 105.00 |
| Delivery: | via email in 1~3 business day |