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GB/T 48238-2026
Method for determination of coal seam gas content in underground coal mine—Isochoric pressure variation method
GB/T 48238-2026 煤矿井下煤层瓦斯含量测定方法 等容变压法
- Issue date
- 2026-09-28
- Effective date
- 2027-04-01
- Standard type
- National Standards
- ICS / CCS
- 13.100 / D09
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Scope
Method for determination of coal seam gas content in underground coal mine—Isochoric pressure variation method
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