coal mine water
coal mine water, Total:4 items.
The international standard classification for "coal mine water" includes: Environment and environmental protection in general .
The Chinese standard classification for "coal mine water" includes: Basic standards and general methods , Basic standard and general method .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 31392-2015 Technical guidance for the utilization of coal mine water
- GB/T 19223-2003 Classification of coal mine water
- GB/T 19223-2015 Classification of coal mine water
- GB/T 31392-2022 Technical guidance for the utilization of coal mine water
