DL 421-1991
Method for determining volume resistivity of insulating oil (English Version)
- Standard No.
- DL 421-1991
- Language
- Chinese, Available in English version
- Release Date
- 1991
- Published By
- Professional Standard - Electricity
- Status
- 2009-12
- Replace By
- DL/T 421-2009
- Latest
- DL/T 421-2009
DL 421-1991 history
- 2009 DL/T 421-2009 Determination of volume resistivity of power oils
- 1991 DL 421-1991 Method for determining volume resistivity of insulating oil
DL 421-1991 Method for determining volume resistivity of insulating oil was changed to DL/T 421-2009 Determination of volume resistivity of power oils.
