gb4920
gb4920, Total:2 items.
The international standard classification for "gb4920" includes: Transport exhaust emissions .
The Chinese standard classification for "gb4920" includes: Analysis methods for exhaust emission pollutants .
中华人民共和国环境保护部
- GB 4920-1985 Determination of sulphuric acid mist in tail gas in sulphuric acid concentration process-Barium chromate colorimetric method
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 4920-1985 Determination of sulphuric acid mist in tail gas in sulphuric acid concentration process; Barium chromate colorimetric method
