UNE-EN 50216-2:2003 Power transformer and reactor fittings -- Part 2: Gas and oil actuated relay for liquid immersed transformers and reactors with conservator.
2003UNE-EN 50216-2/A1:2003 Power transformer and reactor fittings -- Part 2: Gas and oil actuated relay for liquid immersed transformers and reactors with conservator.
2003UNE-EN 50216-2:2003 Power transformer and reactor fittings -- Part 2: Gas and oil actuated relay for liquid immersed transformers and reactors with conservator.