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Chinese National Standard Category: Hygiene, safety and labor protection |
English Title: | Coalbed gas content measurement methods in geological exploration period |
Chinese Title: | 地勘时期煤层瓦斯含量测定方法 |
Standard No.: | GB/T 23249-2009 |
Category No.: | D09 |
Issued by: | AQSIQ, SAC |
Issued on: | 2009-3-11 |
Implemented on: | 2009-11-1 |
Status: | valid |
Superseded by: | |
Superseded on: | |
Abolished on: | |
Superseding: | |
Word Count: | 13000 words |
Similar Standards: | DB37/T 1696-2020 MT 626-1996 MT/T 1035-2007 MT/T 1201.5-2023 MT/T 1201.3-2023 MT/T 1085-2008 MT/T 1201.6-2023 MT/T 1189-2020 MT/T 1202.6-2023 MT/T 1202.3-2023 MT/T 1201.2-2023 MT/T 1201.1-2023 MT/T 1084-2008 GB/T 8160-1987 MT/T 1202.1-2023 DB37/T 4295-2020 MT/T 1201.4-2023 MT/T 1202.4-2023 MT/T 704-2008 MT/T 1202.2-2023 |
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