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| Chinese National Standard Category: Mining |
| English Title: | Technical specification on C80~C100 concrete shaft lining applied in vertical freezing shaft |
| Chinese Title: | 立井冻结法凿井井壁应用C80～C100混凝土技术规程 |
| Standard No.: | GB/T 39963-2021 |
| Category No.: | D15 |
| Issued by: | SAMR; SAC |
| Issued on: | 2021-03-09 |
| Implemented on: | 2021-10-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 14000 words |
| Similar Standards: | KA/T 20.2-2024 KA/T 20.4-2024 KA/T 20.5-2024 KA/T 20.1-2024 KA/T 20.6-2024 GB/T 13813-2023 GB/T 41163-2021 GB/T 41043-2021 GB/T 41164-2021 GB/T 39988-2021 GB/T 39963-2021 GB/T 39489-2020 GB/T 39834-2021 GB/T 39336-2020 GB/T 39337-2020 DB37/T 3967-2020 GB/T 13813-2008 MT/T 1002-2006 GB/T 13813-2001 MT/T 634-1996 |
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