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| Author | AENOR |
|---|---|
| Editor | AENOR |
| Document type | Standard |
| Format | File |
| ICS | 29.240.30 : Control equipment for electric power systems |
| Number of pages | 50 |
| Replace | UNE 21006:1960,UNE 21158:1990,UNE 21159:1988 |
| Year | 2002 |
| Document history | UNE 21006:1960,UNE 21158:1990,UNE 21159:1988 |
| Country | Spain |