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| Chinese National Standard Category: Mine haulage |
| English Title: | Technical specification of filling pipe for vertical feeding solid backfilling materials |
| Chinese Title: | 固体充填材料垂直投料管技术条件 |
| Standard No.: | NB/T 51022-2014 |
| Category No.: | D18 |
| Issued by: | National Energy Administration |
| Issued on: | 2014-10-15 |
| Implemented on: | 2015-3-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 4500 words |
| Similar Standards: | GB 43068-2023 DB33/T 2034-2017 NB/T 51022-2014 AQ 1112-2014 AQ 1113-2014 MT/T 1001-2006 MT 933-2005 MT 244.2-2005 MT 244.1-2005 |
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