Da: liu xing, Nanjing, JS, Cina
paperback. Condizione: New. Paperback. Pub Date: 2011 08 Pages: 160 Language: Chinese in Publisher: Beijing Normal University Publishing Group. Beijing Normal University Press 21 centuries high series planning materials (Communications Technology): program-controlled switching technology around the phone The basic concepts of communication and exchange highlights a telephone communication network. program-controlled switching technology. signaling systems and other knowledge. In order to adapt to the development of comm. Codice articolo CC028821
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