IEEE Guide for Evaluation and reconditioning of Liquid Immersed Power Transformers
NORMA vydaná dňa 27.4.2007
Designation standards: IEEE C57.140-2006
Note: NEPLATNÁ
Publication date standards: 27.4.2007
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Kategória: Technické normy IEEE