JJG 680-1990
Verification Regulation of Measuring Apparatus for Dust Contentin Stack (English Version)
- Standard No.
- JJG 680-1990
- Language
- Chinese, Available in English version
- Release Date
- 1990
- Published By
- National Metrological Verification Regulations of the People's Republic of China
- Status
- 2008-02
- Replace By
- JJG 680-2007
- Latest
- JJG 680-2021
JJG 680-1990 history
- 2021 JJG 680-2021 Samplers for Stack Dust
- 2007 JJG 680-2007 Samplers for Stack Dust
- 1990 JJG 680-1990 Verification Regulation of Measuring Apparatus for Dust Contentin Stack
