SPC digital telephone exchanges
| Egile nagusia: | |
|---|---|
| Erakunde egilea: | |
| Beste egile batzuk: | |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
London, U.K.
Peter Peregrinus on behalf of the Institution of Electrical Engineers
c1990.
|
| Saila: | IEE telecommunications series
21 |
| Gaiak: |


