1. Telecommunication switching systems and networks
Author: \ Thiagarajan Viswanathan
Library: Library of Islamic Parliament (Tehran)
Subject:
2. Telecommunication switching systems and networks
Author: / Thiagarajan Viswanathan
Library: National Library and Archives of Islamic Republic of Iran (Tehran)
Subject: Telecommunication -- Switching systems,Telecommunication systems
Classification :
TK
۵۱۰۳
/
۸
/
و
۹
ت
۸ ۱۳۷۹
