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The CERN telephone exchange
A direct dialling system for incoming telephone calls came into operation in March 1977
| Publicado: |
1977
|
|---|---|
| Materias: | |
| Acceso en línea: | http://cds.cern.ch/record/917823 |
A direct dialling system for incoming telephone calls came into operation in March 1977
| Publicado: |
1977
|
|---|---|
| Materias: | |
| Acceso en línea: | http://cds.cern.ch/record/917823 |