00341nam a2200121Ia 4500 OSt 20191213150325.0 190311s9999 xx 000 0 und d 9788120307131 8120307135 AEF 22 621.382 VIS Viswanathan, Thiagarajan. 1191 Telecommunication switching system and networks 32th New Delhi : PHI Learning Private limited; 2009. xx, 583 p. : ill., Diagrams; 21 cm Include index Author Introduction Telecommunication -- Switching systems. 1192 Telecommunication systems. 1193 https://drive.google.com/file/d/13iYicduYpt9DT9S5elkxM6eA2z45vmJz/view?usp=sharing ddc BK 5379 5379 0 0 ddc 0 0 AEF AEF C09S43 2009-01-01 Bill No. 2719 dated 01-01-2009 275.00 621.382 VIS 1152 2019-03-11 275.00 2019-03-11 BK 0 0 ddc 0 0 AEF AEF C09S43 2009-01-01 Bill No. 2719 dated 01-01-2009 275.00 621.382 VIS 1153 2019-03-11 275.00 2019-03-11 BK 0 0 ddc 0 0 AEF AEF C09S43 2009-01-01 Bill No 3903 dated 2009-01-01 275.00 621.382 VIS 1801 2019-03-11 275.00 2019-03-11 BK 0 0 ddc 0 0 AEF AEF C09S43 2009-01-01 Bill No 3903 dated 2009-01-01 275.00 621.382 VIS 1802 2019-03-11 275.00 2019-03-11 BK