Bibliography for the Manual on national telephone networks for the automatic service /
Gardado en:
| Autor Corporativo: | |
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| Formato: | Libro |
| Idioma: | English |
| Publicado: |
Geneva :
International Telecommunication Union,
1964.
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| Subjects: |
| Descrición Física: | 90 p. ; 26 cm. |
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