GB 631-1989
Chemical Reagent Ammonia (English Version)
- Standard No.
- GB 631-1989
- Language
- Chinese, Available in English version
- Release Date
- 1989
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2008-04
- Replace By
- GB/T 631-2007
- Latest
- GB/T 631-2007
GB 631-1989 history
- 2007 GB/T 631-2007 Chemical reagent.Ammonia solution
- 1989 GB 631-1989 Chemical Reagent Ammonia
