African regional conference on telephone signalling systems / Org anised by the International Telecommunication Union in Tunis, 8-12, Nov ember, 1971.
Material type:
TextPublication details: Geneva : [s.n.], 1971.Description: 201 p. : tabs., figs., maps ; 29 cmSubject(s): Other classification: - ITU (06) 1971/1
| Item type | Current library | Status | Barcode | |
|---|---|---|---|---|
Books - Open Access
|
Main Library - Africana | Available | 001080588 |
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