Nomenclature des voies de télécommunication utilisées pour la transmission des télégrammes =
Subtitle: List of telecommunication channels used for the transmission of telegrams = Nomenclátor de las vías de telecomunicación empleadas para la transmisión de telegramas
By: Union internationale des télécommunications.
Edition: 3. éd., mai 1980.
Publisher: L'Union
Published: 1980
Place of publication: Genève
Language: fre
Number of pages: 128
Subjects: Telegraph -- Directories.
Other titles: List of telecommunication channels used for the transmission of telegrams.; Nomenclátor de las vías de telecomunicación empleadas para la transmisión de telegramas.
Notes: English, French, and Spanish.