253.33 Télégraphe
|
253.331 |
Notion. Historique |
|
253.332 |
Technique |
|
253.333 |
Statistique |
|
253.334 |
Forme des télégrammes |
|
253.335 |
Organisation des services |
|
253.336 |
Contrôle |
|
253.337 |
Codes en langages convenus |
Copyright © sept.2006, USTL/CUEEP Bruno Richardot
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