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| Author | AENOR |
|---|---|
| Editor | AENOR |
| Document type | Standard |
| Format | File |
| ICS | 01.040.33 : Telecommunications. Audio and video engineering (Vocabularies)
33.040.01 : Telecommunication systems in general |
| Number of pages | 48 |
| Replace | UNE 21302-23:1974 |
| Cross references | IEC 50-722:1992 Identical |
| Year | 1990 |
| Document history | UNE 21302-23:1974 |
| Country | Spain |