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Chinese National Standard Category: Mining |
English Title: | Specification for process design of enhancing coal seam permeability by water jet in coalmine |
Chinese Title: | 煤矿井下煤层水射流冲击增透工艺设计规范 |
Standard No.: | GB/T 41163-2021 |
Category No.: | D15 |
Issued by: | SAMR; SAC |
Issued on: | 2021-12-31 |
Implemented on: | 2022-7-1 |
Status: | valid |
Superseded by: | |
Superseded on: | |
Abolished on: | |
Superseding: | |
Word Count: | 7500 words |
Similar Standards: | 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 YBJ 221-1990 YBJ 218-1989 |
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