IEEE Guide for Installation of Oil-Immersed EHV Transformers 345 kV and Above
NORMA vydaná dňa 7.11.1980
Designation standards: IEEE C57.12.12-1980
Note: NEPLATNÁ
Publication date standards: 7.11.1980
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Kategória: Technické normy IEEE