DL 420-1991
Method of test for refractive index and specific dispersion of electrically insulating liquid (English Version)
- Standard No.
- DL 420-1991
- Language
- Chinese, Available in English version
- Release Date
- 1991
- Published By
- Professional Standard - Electricity
- Latest
- DL 420-1991
DL 420-1991 history
- 1991 DL 420-1991 Method of test for refractive index and specific dispersion of electrically insulating liquid
