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BS 7940:1999
Analogue PSTN terminal support interface partTitleEN sectionTitleENMore info
| Author | BSI |
|---|---|
| Editor | BSI |
| Document type | Standard |
| Format | File |
| EAN ISBN | 0 580 33035 4 |
| ICS | 33.040.35 : Telephone networks |
| Number of pages | 28 |
| Year | 1990 |
| Country | United Kingdom |