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| Position: Chinese Standard in English/NB/T 11257-2023 |
| NB/T 11257-2023 Safety conditions assessment of water hazards prevention and control of mining and tunnelling working face in underground coal mine (English Version) | |||
| Standard No.: | NB/T 11257-2023 | Status: | valid remind me the status change |
| Language: | English | File Format: | |
| Word Count: | 8500 words | Price(USD): | 255.00 remind me the price change |
| Implemented on: | 2023-11-26 | Delivery: | via email in 1~3 business day |
| Standard No.: | NB/T 11257-2023 |
| English Name: | Safety conditions assessment of water hazards prevention and control of mining and tunnelling working face in underground coal mine |
| Chinese Name: | 井工煤矿采掘工作面防治水安全条件评价 |
| Chinese Classification: | D00 Standardization and quality management |
| Professional Classification: | NB Professional Standard - Energy |
| Issued by: | National Energy Adminstration |
| Issued on: | 2023-05-26 |
| Implemented on: | 2023-11-26 |
| Status: | valid |
| Language: | English |
| File Format: | |
| Word Count: | 8500 words |
| Price(USD): | 255.00 |
| Delivery: | via email in 1~3 business day |