Telephony & telegraphy A : an introduction to telephone and telegraph instruments and exchanges /
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| Autor Principal: | |
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| Formato: | Libro |
| Idioma: | English |
| Publicado: |
London :
Oxford U.P,
1969.
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| Subjects: |
| descrición da copia: | Third ed. published in 1978 under title: Telephony and telegraphy. |
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| Descrición Física: | xv, 285 p. : illus ; 25 cm. |
| Bibliografía: | Bibliography: p. [263]. |
| ISBN: | 0198593058 : |