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| Chinese National Standard Category: Hygiene, safety and labor protection |
| English Title: | Technical specification for high level directional long drilling in roof for gas extraction in coal mining face |
| Chinese Title: | 采煤工作面瓦斯抽采顶板高位定向长钻孔技术规范 |
| Standard No.: | NB/T 11470-2023 |
| Category No.: | D09 |
| Issued by: | Nation Energy Administration |
| Issued on: | 2023-12-28 |
| Implemented on: | 2024-6-28 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 6000 words |
| Similar Standards: | KA 25-2025 DB37/T 4707.3-2025 GB/T 44819-2024 GB/T 25216-2024 KA/T 22.3-2024 KA/T 22.1-2024 KA/T 22.2-2024 GB 24502-2023 T/ZAWS 004-2024 NB/T 11471-2023 NB/T 11470-2023 NB/T 11469-2023 NB/T 11465-2023 NB/T 11468-2023 NB/T 11466-2023 NB/T 11329-2023 NB/T 11328-2023 NB/T 11330-2023 NB/T 11325-2023 DB11/T 1252-2023 |
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