Nomenclature des voies de telecommunication utilisees pour la tranmission des telegrammes = List of telecommunication channels used for the transmission of telegrams = Nomenclator de las vias de telecommunicacion empleadas para la tranmision de telegramas /
Union Internationale des Telecommunications = International Telecommunication Union = Union Internacional de Telecomunicaciones.
- 4e edition = 4th edition = 4.a edicion.
- Geneve : Union Internationale des Telecommunications, 1982.
- 133 p.
In French, English, and Spanish.
9271030494
89080305
Multichannel communication--Nomenclature.
Telecommunication systems--Nomenclature.
Data transmission systems--Nomenclature.
In French, English, and Spanish.
9271030494
89080305
Multichannel communication--Nomenclature.
Telecommunication systems--Nomenclature.
Data transmission systems--Nomenclature.