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ITU-T M.580
New product
ITU-T M.580
Setting up and lining up an international circuit for public telephonyMore info
| Author | ITU |
|---|---|
| Editor | ITU |
| Document type | Standard |
| Format | File |
| ICS | 33.040.20 : Transmission systems
|
| Number of pages | 15 |
| Year | 1980 |
| Document history | |
| Country | Switzerland |
| Keyword | CCITT M.580;ITU-T 580;580;ITU-T M.580 |