Isbn: 9787560631257 - 程控交换技术实用教程(高职高专系列规划教材) (1 resultados)

paperback. Condición: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Paperback. Pub Date :2013-08-01 Pages: 192 Publisher: Xi'an University of Electronic Science and Technology Press program-controlled switching technology practical course in the 21st century advanced talents Vocational family planning materials around the program-controlled telephone switching technology to practice skills development as the goal. first introduced the concept of the telephone exchange. the development and exchange of classified equipment ; then describes the basic flow of cal.Four Satisfaction guaranteed,or money back.…