JY 21-1979
Technical Conditions of Hand AC/DC Generators (Trial Implementation) (English Version)
- Standard No.
- JY 21-1979
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Education
- Status
- 2013-07
- Replace By
- JY 22-1979
- JY/T 0021-2011
- Latest
- JY 22-1979
- JY/T 0021-2011
JY 21-1979 history
- 0000 JY 22-1979
