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| Author | AENOR |
|---|---|
| Editor | AENOR |
| Document type | Standard |
| Format | File |
| ICS | 11.180.15 : Aids for deaf and hearing impaired people |
| Number of pages | 8 |
| Replace | UNE 20603-3:1981 |
| Cross references | IEC 118-3:1983 Identical |
| Year | 1980 |
| Document history | UNE 20603-3:1981 |
| Country | Spain |