Editore: People's Posts and Telecommunications Press, 2000
ISBN 10: 711505973X ISBN 13: 9787115059734
Lingua: Cinese
Da: liu xing, Nanjing, JS, Cina
paperback. Condizione: Good. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Principles and Techniques of synchronous digital hierarchy (SDH)Four Satisfaction guaranteed,or money back.