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| Author | AENOR |
|---|---|
| Editor | AENOR |
| Document type | Standard |
| Format | File |
| ICS | 33.160.01 : Audio, video and audiovisual systems in general |
| Number of pages | 22 |
| Replace | UNE 20502-1:1974,UNE 20502-1/1C:1985 |
| Cross references | IEC 268-1:1985+A1:1988 Identical |
| Year | 1990 |
| Document history | UNE 20502-1:1974,UNE 20502-1/1C:1985 |
| Country | Spain |